diff --git a/TEST_MAPPING b/TEST_MAPPING
new file mode 100644
index 0000000..94f9232
--- /dev/null
+++ b/TEST_MAPPING
@@ -0,0 +1,19 @@
+{
+  "imports": [
+    {
+      "path": "frameworks/base/core/java/android/net"
+    },
+    {
+      "path": "packages/modules/NetworkStack"
+    },
+    {
+      "path": "packages/modules/CaptivePortalLogin"
+    },
+    {
+      "path": "packages/modules/Connectivity"
+    },
+    {
+      "path": "packages/modules/Connectivity/Tethering"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/framework/api/current.txt b/framework/api/current.txt
index e415e01..ad44b27 100644
--- a/framework/api/current.txt
+++ b/framework/api/current.txt
@@ -396,6 +396,7 @@
 
   public static class NetworkRequest.Builder {
     ctor public NetworkRequest.Builder();
+    ctor public NetworkRequest.Builder(@NonNull android.net.NetworkRequest);
     method public android.net.NetworkRequest.Builder addCapability(int);
     method public android.net.NetworkRequest.Builder addTransportType(int);
     method public android.net.NetworkRequest build();
diff --git a/framework/api/module-lib-current.txt b/framework/api/module-lib-current.txt
index 8629c19..35e45ec 100644
--- a/framework/api/module-lib-current.txt
+++ b/framework/api/module-lib-current.txt
@@ -11,16 +11,31 @@
     method @Nullable public android.net.ProxyInfo getGlobalProxy();
     method @NonNull public static android.util.Range<java.lang.Integer> getIpSecNetIdRange();
     method @NonNull public static String getPrivateDnsMode(@NonNull android.content.Context);
+    method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_SETTINGS}) public void registerDefaultNetworkCallbackAsUid(int, @NonNull android.net.ConnectivityManager.NetworkCallback, @NonNull android.os.Handler);
     method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_SETTINGS}) public void registerSystemDefaultNetworkCallback(@NonNull android.net.ConnectivityManager.NetworkCallback, @NonNull android.os.Handler);
     method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void requestBackgroundNetwork(@NonNull android.net.NetworkRequest, @NonNull android.os.Handler, @NonNull android.net.ConnectivityManager.NetworkCallback);
+    method @Deprecated public boolean requestRouteToHostAddress(int, java.net.InetAddress);
     method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_SETUP_WIZARD, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void setAcceptPartialConnectivity(@NonNull android.net.Network, boolean, boolean);
     method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_SETUP_WIZARD, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void setAcceptUnvalidated(@NonNull android.net.Network, boolean, boolean);
     method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_SETUP_WIZARD, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void setAvoidUnvalidated(@NonNull android.net.Network);
     method @RequiresPermission(android.Manifest.permission.NETWORK_STACK) public void setGlobalProxy(@Nullable android.net.ProxyInfo);
+    method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK, android.Manifest.permission.NETWORK_SETTINGS}) public void setLegacyLockdownVpnEnabled(boolean);
+    method public static void setPrivateDnsMode(@NonNull android.content.Context, @NonNull String);
     method @RequiresPermission(android.Manifest.permission.NETWORK_STACK) public void setProfileNetworkPreference(@NonNull android.os.UserHandle, int, @Nullable java.util.concurrent.Executor, @Nullable Runnable);
+    method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK, android.Manifest.permission.NETWORK_SETTINGS}) public void setRequireVpnForUids(boolean, @NonNull java.util.Collection<android.util.Range<java.lang.Integer>>);
     method @RequiresPermission(anyOf={android.Manifest.permission.MANAGE_TEST_NETWORKS, android.Manifest.permission.NETWORK_STACK}) public void simulateDataStall(int, long, @NonNull android.net.Network, @NonNull android.os.PersistableBundle);
     method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void startCaptivePortalApp(@NonNull android.net.Network);
     method public void systemReady();
+    field public static final int BLOCKED_METERED_REASON_ADMIN_DISABLED = 262144; // 0x40000
+    field public static final int BLOCKED_METERED_REASON_DATA_SAVER = 65536; // 0x10000
+    field public static final int BLOCKED_METERED_REASON_MASK = -65536; // 0xffff0000
+    field public static final int BLOCKED_METERED_REASON_USER_RESTRICTED = 131072; // 0x20000
+    field public static final int BLOCKED_REASON_APP_STANDBY = 4; // 0x4
+    field public static final int BLOCKED_REASON_BATTERY_SAVER = 1; // 0x1
+    field public static final int BLOCKED_REASON_DOZE = 2; // 0x2
+    field public static final int BLOCKED_REASON_LOCKDOWN_VPN = 16; // 0x10
+    field public static final int BLOCKED_REASON_NONE = 0; // 0x0
+    field public static final int BLOCKED_REASON_RESTRICTED_MODE = 8; // 0x8
     field public static final String PRIVATE_DNS_MODE_OFF = "off";
     field public static final String PRIVATE_DNS_MODE_OPPORTUNISTIC = "opportunistic";
     field public static final String PRIVATE_DNS_MODE_PROVIDER_HOSTNAME = "hostname";
@@ -28,18 +43,92 @@
     field public static final int PROFILE_NETWORK_PREFERENCE_ENTERPRISE = 1; // 0x1
   }
 
+  public static class ConnectivityManager.NetworkCallback {
+    method public void onBlockedStatusChanged(@NonNull android.net.Network, int);
+  }
+
+  public class ConnectivitySettingsManager {
+    method public static void clearGlobalProxy(@NonNull android.content.Context);
+    method @Nullable public static String getCaptivePortalHttpUrl(@NonNull android.content.Context);
+    method public static int getCaptivePortalMode(@NonNull android.content.Context, int);
+    method @NonNull public static java.time.Duration getConnectivityKeepPendingIntentDuration(@NonNull android.content.Context, @NonNull java.time.Duration);
+    method @NonNull public static android.util.Range<java.lang.Integer> getDnsResolverSampleRanges(@NonNull android.content.Context);
+    method @NonNull public static java.time.Duration getDnsResolverSampleValidityDuration(@NonNull android.content.Context, @NonNull java.time.Duration);
+    method public static int getDnsResolverSuccessThresholdPercent(@NonNull android.content.Context, int);
+    method @Nullable public static android.net.ProxyInfo getGlobalProxy(@NonNull android.content.Context);
+    method @NonNull public static java.time.Duration getMobileDataActivityTimeout(@NonNull android.content.Context, @NonNull java.time.Duration);
+    method public static boolean getMobileDataAlwaysOn(@NonNull android.content.Context, boolean);
+    method @Nullable public static String getMobileDataPreferredApps(@NonNull android.content.Context);
+    method public static int getNetworkAvoidBadWifi(@NonNull android.content.Context);
+    method @Nullable public static String getNetworkMeteredMultipathPreference(@NonNull android.content.Context);
+    method public static int getNetworkSwitchNotificationMaximumDailyCount(@NonNull android.content.Context, int);
+    method @NonNull public static java.time.Duration getNetworkSwitchNotificationRateDuration(@NonNull android.content.Context, @NonNull java.time.Duration);
+    method @NonNull public static String getPrivateDnsDefaultMode(@NonNull android.content.Context);
+    method @Nullable public static String getPrivateDnsHostname(@NonNull android.content.Context);
+    method public static boolean getWifiAlwaysRequested(@NonNull android.content.Context, boolean);
+    method @NonNull public static java.time.Duration getWifiDataActivityTimeout(@NonNull android.content.Context, @NonNull java.time.Duration);
+    method public static void setCaptivePortalHttpUrl(@NonNull android.content.Context, @Nullable String);
+    method public static void setCaptivePortalMode(@NonNull android.content.Context, int);
+    method public static void setConnectivityKeepPendingIntentDuration(@NonNull android.content.Context, @NonNull java.time.Duration);
+    method public static void setDnsResolverSampleRanges(@NonNull android.content.Context, @NonNull android.util.Range<java.lang.Integer>);
+    method public static void setDnsResolverSampleValidityDuration(@NonNull android.content.Context, @NonNull java.time.Duration);
+    method public static void setDnsResolverSuccessThresholdPercent(@NonNull android.content.Context, @IntRange(from=0, to=100) int);
+    method public static void setGlobalProxy(@NonNull android.content.Context, @NonNull android.net.ProxyInfo);
+    method public static void setMobileDataActivityTimeout(@NonNull android.content.Context, @NonNull java.time.Duration);
+    method public static void setMobileDataAlwaysOn(@NonNull android.content.Context, boolean);
+    method public static void setMobileDataPreferredApps(@NonNull android.content.Context, @Nullable String);
+    method public static void setNetworkAvoidBadWifi(@NonNull android.content.Context, int);
+    method public static void setNetworkMeteredMultipathPreference(@NonNull android.content.Context, @NonNull String);
+    method public static void setNetworkSwitchNotificationMaximumDailyCount(@NonNull android.content.Context, @IntRange(from=0) int);
+    method public static void setNetworkSwitchNotificationRateDuration(@NonNull android.content.Context, @NonNull java.time.Duration);
+    method public static void setPrivateDnsDefaultMode(@NonNull android.content.Context, @NonNull String);
+    method public static void setPrivateDnsHostname(@NonNull android.content.Context, @Nullable String);
+    method public static void setWifiAlwaysRequested(@NonNull android.content.Context, boolean);
+    method public static void setWifiDataActivityTimeout(@NonNull android.content.Context, @NonNull java.time.Duration);
+    field public static final int CAPTIVE_PORTAL_MODE_AVOID = 2; // 0x2
+    field public static final int CAPTIVE_PORTAL_MODE_IGNORE = 0; // 0x0
+    field public static final int CAPTIVE_PORTAL_MODE_PROMPT = 1; // 0x1
+    field public static final int NETWORK_AVOID_BAD_WIFI_AVOID = 2; // 0x2
+    field public static final int NETWORK_AVOID_BAD_WIFI_IGNORE = 0; // 0x0
+    field public static final int NETWORK_AVOID_BAD_WIFI_PROMPT = 1; // 0x1
+  }
+
   public final class NetworkAgentConfig implements android.os.Parcelable {
     method @Nullable public String getSubscriberId();
+    method public boolean isBypassableVpn();
   }
 
   public static final class NetworkAgentConfig.Builder {
+    method @NonNull public android.net.NetworkAgentConfig.Builder setBypassableVpn(boolean);
     method @NonNull public android.net.NetworkAgentConfig.Builder setSubscriberId(@Nullable String);
   }
 
   public final class NetworkCapabilities implements android.os.Parcelable {
+    ctor public NetworkCapabilities(@Nullable android.net.NetworkCapabilities, long);
+    method @Nullable public java.util.Set<android.util.Range<java.lang.Integer>> getUids();
+    method public boolean hasUnwantedCapability(int);
+    field public static final long REDACT_ALL = -1L; // 0xffffffffffffffffL
+    field public static final long REDACT_FOR_ACCESS_FINE_LOCATION = 1L; // 0x1L
+    field public static final long REDACT_FOR_LOCAL_MAC_ADDRESS = 2L; // 0x2L
+    field public static final long REDACT_FOR_NETWORK_SETTINGS = 4L; // 0x4L
+    field public static final long REDACT_NONE = 0L; // 0x0L
     field public static final int TRANSPORT_TEST = 7; // 0x7
   }
 
+  public static final class NetworkCapabilities.Builder {
+    method @NonNull public android.net.NetworkCapabilities.Builder setUids(@Nullable java.util.Set<android.util.Range<java.lang.Integer>>);
+  }
+
+  public class NetworkRequest implements android.os.Parcelable {
+    method public boolean hasUnwantedCapability(int);
+  }
+
+  public static class NetworkRequest.Builder {
+    method @NonNull public android.net.NetworkRequest.Builder addUnwantedCapability(int);
+    method @NonNull public android.net.NetworkRequest.Builder removeUnwantedCapability(int);
+    method @NonNull public android.net.NetworkRequest.Builder setUids(@Nullable java.util.Set<android.util.Range<java.lang.Integer>>);
+  }
+
   public class ParseException extends java.lang.RuntimeException {
     ctor public ParseException(@NonNull String);
     ctor public ParseException(@NonNull String, @NonNull Throwable);
@@ -80,6 +169,11 @@
     field @NonNull public static final android.os.Parcelable.Creator<android.net.TestNetworkSpecifier> CREATOR;
   }
 
+  public interface TransportInfo {
+    method public default long getApplicableRedactions();
+    method @NonNull public default android.net.TransportInfo makeCopy(long);
+  }
+
   public final class VpnTransportInfo implements android.os.Parcelable android.net.TransportInfo {
     ctor public VpnTransportInfo(int);
     method public int describeContents();
diff --git a/framework/api/system-current.txt b/framework/api/system-current.txt
index 8845225..6f832c6 100644
--- a/framework/api/system-current.txt
+++ b/framework/api/system-current.txt
@@ -52,7 +52,7 @@
     method @Deprecated @RequiresPermission(android.Manifest.permission.TETHER_PRIVILEGED) public void getLatestTetheringEntitlementResult(int, boolean, @NonNull java.util.concurrent.Executor, @NonNull android.net.ConnectivityManager.OnTetheringEntitlementResultListener);
     method @Deprecated @RequiresPermission(anyOf={android.Manifest.permission.TETHER_PRIVILEGED, android.Manifest.permission.WRITE_SETTINGS}) public boolean isTetheringSupported();
     method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_FACTORY}) public int registerNetworkProvider(@NonNull android.net.NetworkProvider);
-    method public void registerQosCallback(@NonNull android.net.QosSocketInfo, @NonNull android.net.QosCallback, @NonNull java.util.concurrent.Executor);
+    method public void registerQosCallback(@NonNull android.net.QosSocketInfo, @NonNull java.util.concurrent.Executor, @NonNull android.net.QosCallback);
     method @Deprecated @RequiresPermission(android.Manifest.permission.TETHER_PRIVILEGED) public void registerTetheringEventCallback(@NonNull java.util.concurrent.Executor, @NonNull android.net.ConnectivityManager.OnTetheringEventCallback);
     method @RequiresPermission(android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK) public void requestNetwork(@NonNull android.net.NetworkRequest, int, int, @NonNull android.os.Handler, @NonNull android.net.ConnectivityManager.NetworkCallback);
     method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_AIRPLANE_MODE, android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_SETUP_WIZARD, android.Manifest.permission.NETWORK_STACK}) public void setAirplaneMode(boolean);
@@ -212,10 +212,13 @@
 
   public abstract class NetworkAgent {
     ctor public NetworkAgent(@NonNull android.content.Context, @NonNull android.os.Looper, @NonNull String, @NonNull android.net.NetworkCapabilities, @NonNull android.net.LinkProperties, int, @NonNull android.net.NetworkAgentConfig, @Nullable android.net.NetworkProvider);
+    ctor public NetworkAgent(@NonNull android.content.Context, @NonNull android.os.Looper, @NonNull String, @NonNull android.net.NetworkCapabilities, @NonNull android.net.LinkProperties, @NonNull android.net.NetworkScore, @NonNull android.net.NetworkAgentConfig, @Nullable android.net.NetworkProvider);
     method @Nullable public android.net.Network getNetwork();
     method public void markConnected();
     method public void onAddKeepalivePacketFilter(int, @NonNull android.net.KeepalivePacketData);
     method public void onAutomaticReconnectDisabled();
+    method public void onNetworkCreated();
+    method public void onNetworkDisconnected();
     method public void onNetworkUnwanted();
     method public void onQosCallbackRegistered(int, @NonNull android.net.QosFilter);
     method public void onQosCallbackUnregistered(int);
@@ -230,8 +233,8 @@
     method public final void sendNetworkCapabilities(@NonNull android.net.NetworkCapabilities);
     method public final void sendNetworkScore(@IntRange(from=0, to=99) int);
     method public final void sendQosCallbackError(int, int);
-    method public final void sendQosSessionAvailable(int, int, @NonNull android.telephony.data.EpsBearerQosSessionAttributes);
-    method public final void sendQosSessionLost(int, int);
+    method public final void sendQosSessionAvailable(int, int, @NonNull android.net.QosSessionAttributes);
+    method public final void sendQosSessionLost(int, int, int);
     method public final void sendSocketKeepaliveEvent(int, int);
     method public final void setUnderlyingNetworks(@Nullable java.util.List<android.net.Network>);
     method public void unregister();
@@ -261,7 +264,6 @@
   }
 
   public final class NetworkCapabilities implements android.os.Parcelable {
-    ctor public NetworkCapabilities(@Nullable android.net.NetworkCapabilities, boolean);
     method @NonNull public int[] getAdministratorUids();
     method @Nullable public String getSsid();
     method @NonNull public int[] getTransportTypes();
@@ -317,6 +319,19 @@
     method @NonNull @RequiresPermission(android.Manifest.permission.NETWORK_SIGNAL_STRENGTH_WAKEUP) public android.net.NetworkRequest.Builder setSignalStrength(int);
   }
 
+  public final class NetworkScore implements android.os.Parcelable {
+    method public int describeContents();
+    method public int getLegacyInt();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.net.NetworkScore> CREATOR;
+  }
+
+  public static final class NetworkScore.Builder {
+    ctor public NetworkScore.Builder();
+    method @NonNull public android.net.NetworkScore build();
+    method @NonNull public android.net.NetworkScore.Builder setLegacyInt(int);
+  }
+
   public final class OemNetworkPreferences implements android.os.Parcelable {
     method public int describeContents();
     method @NonNull public java.util.Map<java.lang.String,java.lang.Integer> getNetworkPreferences();
@@ -364,6 +379,7 @@
     method public void writeToParcel(@NonNull android.os.Parcel, int);
     field @NonNull public static final android.os.Parcelable.Creator<android.net.QosSession> CREATOR;
     field public static final int TYPE_EPS_BEARER = 1; // 0x1
+    field public static final int TYPE_NR_BEARER = 2; // 0x2
   }
 
   public interface QosSessionAttributes {
@@ -435,11 +451,6 @@
     field public final int tcpWindowScale;
   }
 
-  public interface TransportInfo {
-    method public default boolean hasLocationSensitiveFields();
-    method @NonNull public default android.net.TransportInfo makeCopy(boolean);
-  }
-
 }
 
 package android.net.apf {
diff --git a/framework/src/android/net/ConnectivityDiagnosticsManager.java b/framework/src/android/net/ConnectivityDiagnosticsManager.java
index 5234494..3598ebc 100644
--- a/framework/src/android/net/ConnectivityDiagnosticsManager.java
+++ b/framework/src/android/net/ConnectivityDiagnosticsManager.java
@@ -28,7 +28,6 @@
 import android.os.RemoteException;
 
 import com.android.internal.annotations.VisibleForTesting;
-import com.android.internal.util.Preconditions;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
@@ -70,8 +69,8 @@
 
     /** @hide */
     public ConnectivityDiagnosticsManager(Context context, IConnectivityManager service) {
-        mContext = Preconditions.checkNotNull(context, "missing context");
-        mService = Preconditions.checkNotNull(service, "missing IConnectivityManager");
+        mContext = Objects.requireNonNull(context, "missing context");
+        mService = Objects.requireNonNull(service, "missing IConnectivityManager");
     }
 
     /** @hide */
diff --git a/framework/src/android/net/ConnectivityManager.java b/framework/src/android/net/ConnectivityManager.java
index a5e9f31..d196c1a 100644
--- a/framework/src/android/net/ConnectivityManager.java
+++ b/framework/src/android/net/ConnectivityManager.java
@@ -38,7 +38,9 @@
 import android.annotation.SystemApi;
 import android.annotation.SystemService;
 import android.app.PendingIntent;
+import android.app.admin.DevicePolicyManager;
 import android.compat.annotation.UnsupportedAppUsage;
+import android.content.ComponentName;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
@@ -74,7 +76,6 @@
 import android.util.SparseIntArray;
 
 import com.android.internal.annotations.GuardedBy;
-import com.android.internal.util.Preconditions;
 
 import libcore.net.event.NetworkEventDispatcher;
 
@@ -827,6 +828,113 @@
     })
     public @interface PrivateDnsMode {}
 
+    /**
+     * Flag to indicate that an app is not subject to any restrictions that could result in its
+     * network access blocked.
+     *
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final int BLOCKED_REASON_NONE = 0;
+
+    /**
+     * Flag to indicate that an app is subject to Battery saver restrictions that would
+     * result in its network access being blocked.
+     *
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final int BLOCKED_REASON_BATTERY_SAVER = 1 << 0;
+
+    /**
+     * Flag to indicate that an app is subject to Doze restrictions that would
+     * result in its network access being blocked.
+     *
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final int BLOCKED_REASON_DOZE = 1 << 1;
+
+    /**
+     * Flag to indicate that an app is subject to App Standby restrictions that would
+     * result in its network access being blocked.
+     *
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final int BLOCKED_REASON_APP_STANDBY = 1 << 2;
+
+    /**
+     * Flag to indicate that an app is subject to Restricted mode restrictions that would
+     * result in its network access being blocked.
+     *
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final int BLOCKED_REASON_RESTRICTED_MODE = 1 << 3;
+
+    /**
+     * Flag to indicate that an app is blocked because it is subject to an always-on VPN but the VPN
+     * is not currently connected.
+     *
+     * @see DevicePolicyManager#setAlwaysOnVpnPackage(ComponentName, String, boolean)
+     *
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final int BLOCKED_REASON_LOCKDOWN_VPN = 1 << 4;
+
+    /**
+     * Flag to indicate that an app is subject to Data saver restrictions that would
+     * result in its metered network access being blocked.
+     *
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final int BLOCKED_METERED_REASON_DATA_SAVER = 1 << 16;
+
+    /**
+     * Flag to indicate that an app is subject to user restrictions that would
+     * result in its metered network access being blocked.
+     *
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final int BLOCKED_METERED_REASON_USER_RESTRICTED = 1 << 17;
+
+    /**
+     * Flag to indicate that an app is subject to Device admin restrictions that would
+     * result in its metered network access being blocked.
+     *
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final int BLOCKED_METERED_REASON_ADMIN_DISABLED = 1 << 18;
+
+    /**
+     * @hide
+     */
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef(flag = true, prefix = {"BLOCKED_"}, value = {
+            BLOCKED_REASON_NONE,
+            BLOCKED_REASON_BATTERY_SAVER,
+            BLOCKED_REASON_DOZE,
+            BLOCKED_REASON_APP_STANDBY,
+            BLOCKED_REASON_RESTRICTED_MODE,
+            BLOCKED_METERED_REASON_DATA_SAVER,
+            BLOCKED_METERED_REASON_USER_RESTRICTED,
+            BLOCKED_METERED_REASON_ADMIN_DISABLED,
+    })
+    public @interface BlockedReason {}
+
+    /**
+     * Set of blocked reasons that are only applicable on metered networks.
+     *
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final int BLOCKED_METERED_REASON_MASK = 0xffff0000;
+
     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 130143562)
     private final IConnectivityManager mService;
 
@@ -1123,12 +1231,13 @@
      * @param ranges the UID ranges to restrict
      * @param requireVpn whether the specified UID ranges must use a VPN
      *
-     * TODO: expose as @SystemApi.
      * @hide
      */
     @RequiresPermission(anyOf = {
             NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
-            android.Manifest.permission.NETWORK_STACK})
+            android.Manifest.permission.NETWORK_STACK,
+            android.Manifest.permission.NETWORK_SETTINGS})
+    @SystemApi(client = MODULE_LIBRARIES)
     public void setRequireVpnForUids(boolean requireVpn,
             @NonNull Collection<Range<Integer>> ranges) {
         Objects.requireNonNull(ranges);
@@ -1172,13 +1281,13 @@
      *
      * @param enabled whether legacy lockdown VPN is enabled or disabled
      *
-     * TODO: @SystemApi(client = MODULE_LIBRARIES)
-     *
      * @hide
      */
     @RequiresPermission(anyOf = {
             NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
+            android.Manifest.permission.NETWORK_STACK,
             android.Manifest.permission.NETWORK_SETTINGS})
+    @SystemApi(client = MODULE_LIBRARIES)
     public void setLegacyLockdownVpnEnabled(boolean enabled) {
         try {
             mService.setLegacyLockdownVpnEnabled(enabled);
@@ -1774,7 +1883,9 @@
         // Map from type to transports.
         final int NOT_FOUND = -1;
         final int transport = sLegacyTypeToTransport.get(type, NOT_FOUND);
-        Preconditions.checkArgument(transport != NOT_FOUND, "unknown legacy type: " + type);
+        if (transport == NOT_FOUND) {
+            throw new IllegalArgumentException("unknown legacy type: " + type);
+        }
         nc.addTransportType(transport);
 
         // Map from type to capabilities.
@@ -1879,8 +1990,8 @@
         }
 
         private PacketKeepalive(Network network, PacketKeepaliveCallback callback) {
-            Preconditions.checkNotNull(network, "network cannot be null");
-            Preconditions.checkNotNull(callback, "callback cannot be null");
+            Objects.requireNonNull(network, "network cannot be null");
+            Objects.requireNonNull(callback, "callback cannot be null");
             mNetwork = network;
             mExecutor = Executors.newSingleThreadExecutor();
             mCallback = new ISocketKeepaliveCallback.Stub() {
@@ -2123,6 +2234,7 @@
      */
     @Deprecated
     @UnsupportedAppUsage
+    @SystemApi(client = MODULE_LIBRARIES)
     public boolean requestRouteToHostAddress(int networkType, InetAddress hostAddress) {
         checkLegacyRoutingApiAccess();
         try {
@@ -2255,7 +2367,9 @@
      */
     public void removeDefaultNetworkActiveListener(@NonNull OnNetworkActiveListener l) {
         INetworkActivityListener rl = mNetworkActivityListeners.get(l);
-        Preconditions.checkArgument(rl != null, "Listener was not registered.");
+        if (rl == null) {
+            throw new IllegalArgumentException("Listener was not registered.");
+        }
         try {
             mService.registerNetworkActivityListener(rl);
         } catch (RemoteException e) {
@@ -2283,8 +2397,8 @@
      * {@hide}
      */
     public ConnectivityManager(Context context, IConnectivityManager service) {
-        mContext = Preconditions.checkNotNull(context, "missing context");
-        mService = Preconditions.checkNotNull(service, "missing IConnectivityManager");
+        mContext = Objects.requireNonNull(context, "missing context");
+        mService = Objects.requireNonNull(service, "missing IConnectivityManager");
         mTetheringManager = (TetheringManager) mContext.getSystemService(Context.TETHERING_SERVICE);
         sInstance = this;
     }
@@ -2551,7 +2665,7 @@
     @RequiresPermission(android.Manifest.permission.TETHER_PRIVILEGED)
     public void startTethering(int type, boolean showProvisioningUi,
             final OnStartTetheringCallback callback, Handler handler) {
-        Preconditions.checkNotNull(callback, "OnStartTetheringCallback cannot be null.");
+        Objects.requireNonNull(callback, "OnStartTetheringCallback cannot be null.");
 
         final Executor executor = new Executor() {
             @Override
@@ -2644,7 +2758,7 @@
     public void registerTetheringEventCallback(
             @NonNull @CallbackExecutor Executor executor,
             @NonNull final OnTetheringEventCallback callback) {
-        Preconditions.checkNotNull(callback, "OnTetheringEventCallback cannot be null.");
+        Objects.requireNonNull(callback, "OnTetheringEventCallback cannot be null.");
 
         final TetheringEventCallback tetherCallback =
                 new TetheringEventCallback() {
@@ -2942,7 +3056,7 @@
     public void getLatestTetheringEntitlementResult(int type, boolean showEntitlementUi,
             @NonNull @CallbackExecutor Executor executor,
             @NonNull final OnTetheringEntitlementResultListener listener) {
-        Preconditions.checkNotNull(listener, "TetheringEntitlementResultListener cannot be null.");
+        Objects.requireNonNull(listener, "TetheringEntitlementResultListener cannot be null.");
         ResultReceiver wrappedListener = new ResultReceiver(null) {
             @Override
             protected void onReceiveResult(int resultCode, Bundle resultData) {
@@ -3315,7 +3429,9 @@
         }
 
         public NetworkCallback(@Flag int flags) {
-            Preconditions.checkArgument((flags & VALID_FLAGS) == flags);
+            if ((flags & VALID_FLAGS) != flags) {
+                throw new IllegalArgumentException("Invalid flags");
+            }
             mFlags = flags;
         }
 
@@ -3347,12 +3463,30 @@
          * @param blocked Whether access to the {@link Network} is blocked due to system policy.
          * @hide
          */
-        public void onAvailable(@NonNull Network network,
+        public final void onAvailable(@NonNull Network network,
                 @NonNull NetworkCapabilities networkCapabilities,
-                @NonNull LinkProperties linkProperties, boolean blocked) {
+                @NonNull LinkProperties linkProperties, @BlockedReason int blocked) {
             // Internally only this method is called when a new network is available, and
             // it calls the callback in the same way and order that older versions used
             // to call so as not to change the behavior.
+            onAvailable(network, networkCapabilities, linkProperties, blocked != 0);
+            onBlockedStatusChanged(network, blocked);
+        }
+
+        /**
+         * Legacy variant of onAvailable that takes a boolean blocked reason.
+         *
+         * This method has never been public API, but it's not final, so there may be apps that
+         * implemented it and rely on it being called. Do our best not to break them.
+         * Note: such apps will also get a second call to onBlockedStatusChanged immediately after
+         * this method is called. There does not seem to be a way to avoid this.
+         * TODO: add a compat check to move apps off this method, and eventually stop calling it.
+         *
+         * @hide
+         */
+        public void onAvailable(@NonNull Network network,
+                @NonNull NetworkCapabilities networkCapabilities,
+                @NonNull LinkProperties linkProperties, boolean blocked) {
             onAvailable(network);
             if (!networkCapabilities.hasCapability(
                     NetworkCapabilities.NET_CAPABILITY_NOT_SUSPENDED)) {
@@ -3360,7 +3494,7 @@
             }
             onCapabilitiesChanged(network, networkCapabilities);
             onLinkPropertiesChanged(network, linkProperties);
-            onBlockedStatusChanged(network, blocked);
+            // No call to onBlockedStatusChanged here. That is done by the caller.
         }
 
         /**
@@ -3524,6 +3658,26 @@
          */
         public void onBlockedStatusChanged(@NonNull Network network, boolean blocked) {}
 
+        /**
+         * Called when access to the specified network is blocked or unblocked.
+         *
+         * If a NetworkCallback object implements this method,
+         * {@link #onBlockedStatusChanged(Network, boolean)} will not be called.
+         *
+         * <p>Do NOT call {@link #getNetworkCapabilities(Network)} or
+         * {@link #getLinkProperties(Network)} or other synchronous ConnectivityManager methods in
+         * this callback as this is prone to race conditions : calling these methods while in a
+         * callback may return an outdated or even a null object.
+         *
+         * @param network The {@link Network} whose blocked status has changed.
+         * @param blocked The blocked status of this {@link Network}.
+         * @hide
+         */
+        @SystemApi(client = MODULE_LIBRARIES)
+        public void onBlockedStatusChanged(@NonNull Network network, @BlockedReason int blocked) {
+            onBlockedStatusChanged(network, blocked != 0);
+        }
+
         private NetworkRequest networkRequest;
         private final int mFlags;
     }
@@ -3601,7 +3755,7 @@
         }
 
         CallbackHandler(Handler handler) {
-            this(Preconditions.checkNotNull(handler, "Handler cannot be null.").getLooper());
+            this(Objects.requireNonNull(handler, "Handler cannot be null.").getLooper());
         }
 
         @Override
@@ -3638,7 +3792,7 @@
                 case CALLBACK_AVAILABLE: {
                     NetworkCapabilities cap = getObject(message, NetworkCapabilities.class);
                     LinkProperties lp = getObject(message, LinkProperties.class);
-                    callback.onAvailable(network, cap, lp, message.arg1 != 0);
+                    callback.onAvailable(network, cap, lp, message.arg1);
                     break;
                 }
                 case CALLBACK_LOSING: {
@@ -3672,8 +3826,7 @@
                     break;
                 }
                 case CALLBACK_BLK_CHANGED: {
-                    boolean blocked = message.arg1 != 0;
-                    callback.onBlockedStatusChanged(network, blocked);
+                    callback.onBlockedStatusChanged(network, message.arg1);
                 }
             }
         }
@@ -3695,13 +3848,14 @@
     private static final HashMap<NetworkRequest, NetworkCallback> sCallbacks = new HashMap<>();
     private static CallbackHandler sCallbackHandler;
 
-    private NetworkRequest sendRequestForNetwork(NetworkCapabilities need, NetworkCallback callback,
-            int timeoutMs, NetworkRequest.Type reqType, int legacyType, CallbackHandler handler) {
+    private NetworkRequest sendRequestForNetwork(int asUid, NetworkCapabilities need,
+            NetworkCallback callback, int timeoutMs, NetworkRequest.Type reqType, int legacyType,
+            CallbackHandler handler) {
         printStackTrace();
         checkCallbackNotNull(callback);
-        Preconditions.checkArgument(
-                reqType == TRACK_DEFAULT || reqType == TRACK_SYSTEM_DEFAULT || need != null,
-                "null NetworkCapabilities");
+        if (reqType != TRACK_DEFAULT && reqType != TRACK_SYSTEM_DEFAULT && need == null) {
+            throw new IllegalArgumentException("null NetworkCapabilities");
+        }
         final NetworkRequest request;
         final String callingPackageName = mContext.getOpPackageName();
         try {
@@ -3721,8 +3875,8 @@
                             getAttributionTag());
                 } else {
                     request = mService.requestNetwork(
-                            need, reqType.ordinal(), messenger, timeoutMs, binder, legacyType,
-                            callbackFlags, callingPackageName, getAttributionTag());
+                            asUid, need, reqType.ordinal(), messenger, timeoutMs, binder,
+                            legacyType, callbackFlags, callingPackageName, getAttributionTag());
                 }
                 if (request != null) {
                     sCallbacks.put(request, callback);
@@ -3737,6 +3891,12 @@
         return request;
     }
 
+    private NetworkRequest sendRequestForNetwork(NetworkCapabilities need, NetworkCallback callback,
+            int timeoutMs, NetworkRequest.Type reqType, int legacyType, CallbackHandler handler) {
+        return sendRequestForNetwork(Process.INVALID_UID, need, callback, timeoutMs, reqType,
+                legacyType, handler);
+    }
+
     /**
      * Helper function to request a network with a particular legacy type.
      *
@@ -4048,15 +4208,17 @@
     }
 
     private static void checkPendingIntentNotNull(PendingIntent intent) {
-        Preconditions.checkNotNull(intent, "PendingIntent cannot be null.");
+        Objects.requireNonNull(intent, "PendingIntent cannot be null.");
     }
 
     private static void checkCallbackNotNull(NetworkCallback callback) {
-        Preconditions.checkNotNull(callback, "null NetworkCallback");
+        Objects.requireNonNull(callback, "null NetworkCallback");
     }
 
     private static void checkTimeout(int timeoutMs) {
-        Preconditions.checkArgumentPositive(timeoutMs, "timeoutMs must be strictly positive.");
+        if (timeoutMs <= 0) {
+            throw new IllegalArgumentException("timeoutMs must be strictly positive.");
+        }
     }
 
     /**
@@ -4220,8 +4382,40 @@
     @RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE)
     public void registerDefaultNetworkCallback(@NonNull NetworkCallback networkCallback,
             @NonNull Handler handler) {
+        registerDefaultNetworkCallbackAsUid(Process.INVALID_UID, networkCallback, handler);
+    }
+
+    /**
+     * Registers to receive notifications about changes in the default network for the specified
+     * UID. This may be a physical network or a virtual network, such as a VPN that applies to the
+     * UID. The callbacks will continue to be called until either the application exits or
+     * {@link #unregisterNetworkCallback(NetworkCallback)} is called.
+     *
+     * <p>To avoid performance issues due to apps leaking callbacks, the system will limit the
+     * number of outstanding requests to 100 per app (identified by their UID), shared with
+     * all variants of this method, of {@link #requestNetwork} as well as
+     * {@link ConnectivityDiagnosticsManager#registerConnectivityDiagnosticsCallback}.
+     * Requesting a network with this method will count toward this limit. If this limit is
+     * exceeded, an exception will be thrown. To avoid hitting this issue and to conserve resources,
+     * make sure to unregister the callbacks with
+     * {@link #unregisterNetworkCallback(NetworkCallback)}.
+     *
+     * @param uid the UID for which to track default network changes.
+     * @param networkCallback The {@link NetworkCallback} that the system will call as the
+     *                        UID's default network changes.
+     * @param handler {@link Handler} to specify the thread upon which the callback will be invoked.
+     * @throws RuntimeException if the app already has too many callbacks registered.
+     * @hide
+     */
+    @SystemApi(client = MODULE_LIBRARIES)
+    @SuppressLint({"ExecutorRegistration", "PairedRegistration"})
+    @RequiresPermission(anyOf = {
+            NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
+            android.Manifest.permission.NETWORK_SETTINGS})
+    public void registerDefaultNetworkCallbackAsUid(int uid,
+            @NonNull NetworkCallback networkCallback, @NonNull Handler handler) {
         CallbackHandler cbHandler = new CallbackHandler(handler);
-        sendRequestForNetwork(null /* NetworkCapabilities need */, networkCallback, 0,
+        sendRequestForNetwork(uid, null /* need */, networkCallback, 0 /* timeoutMs */,
                 TRACK_DEFAULT, TYPE_NONE, cbHandler);
     }
 
@@ -4336,8 +4530,9 @@
         // Find all requests associated to this callback and stop callback triggers immediately.
         // Callback is reusable immediately. http://b/20701525, http://b/35921499.
         synchronized (sCallbacks) {
-            Preconditions.checkArgument(networkCallback.networkRequest != null,
-                    "NetworkCallback was not registered");
+            if (networkCallback.networkRequest == null) {
+                throw new IllegalArgumentException("NetworkCallback was not registered");
+            }
             if (networkCallback.networkRequest == ALREADY_UNREGISTERED) {
                 Log.d(TAG, "NetworkCallback was already unregistered");
                 return;
@@ -4931,20 +5126,20 @@
      * {@link QosCallback#onError(QosCallbackException)}.  see: {@link QosCallbackException}.
      *
      * @param socketInfo the socket information used to match QoS events
-     * @param callback receives qos events that satisfy socketInfo
      * @param executor The executor on which the callback will be invoked. The provided
      *                 {@link Executor} must run callback sequentially, otherwise the order of
-     *                 callbacks cannot be guaranteed.
+     *                 callbacks cannot be guaranteed.onQosCallbackRegistered
+     * @param callback receives qos events that satisfy socketInfo
      *
      * @hide
      */
     @SystemApi
     public void registerQosCallback(@NonNull final QosSocketInfo socketInfo,
-            @NonNull final QosCallback callback,
-            @CallbackExecutor @NonNull final Executor executor) {
+            @CallbackExecutor @NonNull final Executor executor,
+            @NonNull final QosCallback callback) {
         Objects.requireNonNull(socketInfo, "socketInfo must be non-null");
-        Objects.requireNonNull(callback, "callback must be non-null");
         Objects.requireNonNull(executor, "executor must be non-null");
+        Objects.requireNonNull(callback, "callback must be non-null");
 
         try {
             synchronized (mQosCallbackConnections) {
@@ -5234,4 +5429,23 @@
         if (TextUtils.isEmpty(mode)) mode = PRIVATE_DNS_MODE_OPPORTUNISTIC;
         return mode;
     }
+
+    /**
+     * Set private DNS mode to settings.
+     *
+     * @param context The {@link Context} to set the private DNS mode.
+     * @param mode The private dns mode. This should be one of the PRIVATE_DNS_MODE_* constants.
+     *
+     * @hide
+     */
+    @SystemApi(client = MODULE_LIBRARIES)
+    public static void setPrivateDnsMode(@NonNull Context context,
+            @NonNull @PrivateDnsMode String mode) {
+        if (!(mode == PRIVATE_DNS_MODE_OFF
+                || mode == PRIVATE_DNS_MODE_OPPORTUNISTIC
+                || mode == PRIVATE_DNS_MODE_PROVIDER_HOSTNAME)) {
+            throw new IllegalArgumentException("Invalid private dns mode");
+        }
+        Settings.Global.putString(context.getContentResolver(), PRIVATE_DNS_MODE, mode);
+    }
 }
diff --git a/framework/src/android/net/ConnectivitySettingsManager.java b/framework/src/android/net/ConnectivitySettingsManager.java
index bbd8393..9a00055 100644
--- a/framework/src/android/net/ConnectivitySettingsManager.java
+++ b/framework/src/android/net/ConnectivitySettingsManager.java
@@ -16,16 +16,38 @@
 
 package android.net;
 
+import static android.net.ConnectivityManager.MULTIPATH_PREFERENCE_HANDOVER;
+import static android.net.ConnectivityManager.MULTIPATH_PREFERENCE_PERFORMANCE;
+import static android.net.ConnectivityManager.MULTIPATH_PREFERENCE_RELIABILITY;
+import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_OFF;
+import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_OPPORTUNISTIC;
+import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_PROVIDER_HOSTNAME;
+
 import android.annotation.IntDef;
+import android.annotation.IntRange;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.SystemApi;
+import android.content.Context;
+import android.net.ConnectivityManager.MultipathPreference;
+import android.net.ConnectivityManager.PrivateDnsMode;
+import android.provider.Settings;
+import android.text.TextUtils;
+import android.util.Range;
+
+import com.android.net.module.util.ProxyUtils;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.time.Duration;
+import java.util.List;
 
 /**
  * A manager class for connectivity module settings.
  *
  * @hide
  */
+@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
 public class ConnectivitySettingsManager {
 
     private ConnectivitySettingsManager() {}
@@ -45,12 +67,16 @@
      * Network activity refers to transmitting or receiving data on the network interfaces.
      *
      * Tracking is disabled if set to zero or negative value.
+     *
+     * @hide
      */
     public static final String DATA_ACTIVITY_TIMEOUT_MOBILE = "data_activity_timeout_mobile";
 
     /**
      * Timeout to tracking Wifi data activity. Same as {@code DATA_ACTIVITY_TIMEOUT_MOBILE}
      * but for Wifi network.
+     *
+     * @hide
      */
     public static final String DATA_ACTIVITY_TIMEOUT_WIFI = "data_activity_timeout_wifi";
 
@@ -58,12 +84,16 @@
 
     /**
      * Sample validity in seconds to configure for the system DNS resolver.
+     *
+     * @hide
      */
     public static final String DNS_RESOLVER_SAMPLE_VALIDITY_SECONDS =
             "dns_resolver_sample_validity_seconds";
 
     /**
      * Success threshold in percent for use with the system DNS resolver.
+     *
+     * @hide
      */
     public static final String DNS_RESOLVER_SUCCESS_THRESHOLD_PERCENT =
             "dns_resolver_success_threshold_percent";
@@ -71,24 +101,35 @@
     /**
      * Minimum number of samples needed for statistics to be considered meaningful in the
      * system DNS resolver.
+     *
+     * @hide
      */
     public static final String DNS_RESOLVER_MIN_SAMPLES = "dns_resolver_min_samples";
 
     /**
      * Maximum number taken into account for statistics purposes in the system DNS resolver.
+     *
+     * @hide
      */
     public static final String DNS_RESOLVER_MAX_SAMPLES = "dns_resolver_max_samples";
 
+    private static final int DNS_RESOLVER_DEFAULT_MIN_SAMPLES = 8;
+    private static final int DNS_RESOLVER_DEFAULT_MAX_SAMPLES = 64;
+
     /** Network switch notification settings */
 
     /**
      * The maximum number of notifications shown in 24 hours when switching networks.
+     *
+     * @hide
      */
     public static final String NETWORK_SWITCH_NOTIFICATION_DAILY_LIMIT =
             "network_switch_notification_daily_limit";
 
     /**
      * The minimum time in milliseconds between notifications when switching networks.
+     *
+     * @hide
      */
     public static final String NETWORK_SWITCH_NOTIFICATION_RATE_LIMIT_MILLIS =
             "network_switch_notification_rate_limit_millis";
@@ -98,14 +139,18 @@
     /**
      * The URL used for HTTP captive portal detection upon a new connection.
      * A 204 response code from the server is used for validation.
+     *
+     * @hide
      */
     public static final String CAPTIVE_PORTAL_HTTP_URL = "captive_portal_http_url";
 
     /**
      * What to do when connecting a network that presents a captive portal.
-     * Must be one of the CAPTIVE_PORTAL_MODE_* constants above.
+     * Must be one of the CAPTIVE_PORTAL_MODE_* constants below.
      *
      * The default for this setting is CAPTIVE_PORTAL_MODE_PROMPT.
+     *
+     * @hide
      */
     public static final String CAPTIVE_PORTAL_MODE = "captive_portal_mode";
 
@@ -139,11 +184,15 @@
 
     /**
      * Host name for global http proxy. Set via ConnectivityManager.
+     *
+     * @hide
      */
     public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
 
     /**
      * Integer host port for global http proxy. Set via ConnectivityManager.
+     *
+     * @hide
      */
     public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
 
@@ -153,12 +202,16 @@
      * Domains should be listed in a comma- separated list. Example of
      * acceptable formats: ".domain1.com,my.domain2.com" Use
      * ConnectivityManager to set/get.
+     *
+     * @hide
      */
     public static final String GLOBAL_HTTP_PROXY_EXCLUSION_LIST =
             "global_http_proxy_exclusion_list";
 
     /**
      * The location PAC File for the proxy.
+     *
+     * @hide
      */
     public static final String GLOBAL_HTTP_PROXY_PAC = "global_proxy_pac_url";
 
@@ -171,11 +224,15 @@
      * a specific provider. It may be used to store the provider name even when the
      * mode changes so that temporarily disabling and re-enabling the specific
      * provider mode does not necessitate retyping the provider hostname.
+     *
+     * @hide
      */
     public static final String PRIVATE_DNS_MODE = "private_dns_mode";
 
     /**
      * The specific Private DNS provider name.
+     *
+     * @hide
      */
     public static final String PRIVATE_DNS_SPECIFIER = "private_dns_specifier";
 
@@ -185,6 +242,8 @@
      * all of which require explicit user action to enable/configure. See also b/79719289.
      *
      * Value is a string, suitable for assignment to PRIVATE_DNS_MODE above.
+     *
+     * @hide
      */
     public static final String PRIVATE_DNS_DEFAULT_MODE = "private_dns_default_mode";
 
@@ -194,6 +253,8 @@
      * The number of milliseconds to hold on to a PendingIntent based request. This delay gives
      * the receivers of the PendingIntent an opportunity to make a new network request before
      * the Network satisfying the request is potentially removed.
+     *
+     * @hide
      */
     public static final String CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS =
             "connectivity_release_pending_intent_delay_ms";
@@ -205,6 +266,8 @@
      * See ConnectivityService for more info.
      *
      * (0 = disabled, 1 = enabled)
+     *
+     * @hide
      */
     public static final String MOBILE_DATA_ALWAYS_ON = "mobile_data_always_on";
 
@@ -217,6 +280,8 @@
      * See ConnectivityService for more info.
      *
      * (0 = disabled, 1 = enabled)
+     *
+     * @hide
      */
     public static final String WIFI_ALWAYS_REQUESTED = "wifi_always_requested";
 
@@ -228,14 +293,637 @@
      * 0: Don't avoid bad wifi, don't prompt the user. Get stuck on bad wifi like it's 2013.
      * null: Ask the user whether to switch away from bad wifi.
      * 1: Avoid bad wifi.
+     *
+     * @hide
      */
     public static final String NETWORK_AVOID_BAD_WIFI = "network_avoid_bad_wifi";
 
     /**
+     * Don't avoid bad wifi, don't prompt the user. Get stuck on bad wifi like it's 2013.
+     */
+    public static final int NETWORK_AVOID_BAD_WIFI_IGNORE = 0;
+
+    /**
+     * Ask the user whether to switch away from bad wifi.
+     */
+    public static final int NETWORK_AVOID_BAD_WIFI_PROMPT = 1;
+
+    /**
+     * Avoid bad wifi.
+     */
+    public static final int NETWORK_AVOID_BAD_WIFI_AVOID = 2;
+
+    /** @hide */
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef(value = {
+            NETWORK_AVOID_BAD_WIFI_IGNORE,
+            NETWORK_AVOID_BAD_WIFI_PROMPT,
+            NETWORK_AVOID_BAD_WIFI_AVOID,
+    })
+    public @interface NetworkAvoidBadWifi {}
+
+    /**
      * User setting for ConnectivityManager.getMeteredMultipathPreference(). This value may be
      * overridden by the system based on device or application state. If null, the value
      * specified by config_networkMeteredMultipathPreference is used.
+     *
+     * @hide
      */
     public static final String NETWORK_METERED_MULTIPATH_PREFERENCE =
             "network_metered_multipath_preference";
+
+    /**
+     * A list of apps that should go on cellular networks in preference even when higher-priority
+     * networks are connected.
+     *
+     * @hide
+     */
+    public static final String MOBILE_DATA_PREFERRED_APPS = "mobile_data_preferred_apps";
+
+    /**
+     * Get mobile data activity timeout from {@link Settings}.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @param def The default timeout if no setting value.
+     * @return The {@link Duration} of timeout to track mobile data activity.
+     */
+    @NonNull
+    public static Duration getMobileDataActivityTimeout(@NonNull Context context,
+            @NonNull Duration def) {
+        final int timeout = Settings.Global.getInt(
+                context.getContentResolver(), DATA_ACTIVITY_TIMEOUT_MOBILE, (int) def.getSeconds());
+        return Duration.ofSeconds(timeout);
+    }
+
+    /**
+     * Set mobile data activity timeout to {@link Settings}.
+     * Tracking is disabled if set to zero or negative value.
+     *
+     * Note: Only use the number of seconds in this duration, lower second(nanoseconds) will be
+     * ignored.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param timeout The mobile data activity timeout.
+     */
+    public static void setMobileDataActivityTimeout(@NonNull Context context,
+            @NonNull Duration timeout) {
+        Settings.Global.putInt(context.getContentResolver(), DATA_ACTIVITY_TIMEOUT_MOBILE,
+                (int) timeout.getSeconds());
+    }
+
+    /**
+     * Get wifi data activity timeout from {@link Settings}.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @param def The default timeout if no setting value.
+     * @return The {@link Duration} of timeout to track wifi data activity.
+     */
+    @NonNull
+    public static Duration getWifiDataActivityTimeout(@NonNull Context context,
+            @NonNull Duration def) {
+        final int timeout = Settings.Global.getInt(
+                context.getContentResolver(), DATA_ACTIVITY_TIMEOUT_WIFI, (int) def.getSeconds());
+        return Duration.ofSeconds(timeout);
+    }
+
+    /**
+     * Set wifi data activity timeout to {@link Settings}.
+     * Tracking is disabled if set to zero or negative value.
+     *
+     * Note: Only use the number of seconds in this duration, lower second(nanoseconds) will be
+     * ignored.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param timeout The wifi data activity timeout.
+     */
+    public static void setWifiDataActivityTimeout(@NonNull Context context,
+            @NonNull Duration timeout) {
+        Settings.Global.putInt(context.getContentResolver(), DATA_ACTIVITY_TIMEOUT_WIFI,
+                (int) timeout.getSeconds());
+    }
+
+    /**
+     * Get dns resolver sample validity duration from {@link Settings}.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @param def The default duration if no setting value.
+     * @return The {@link Duration} of sample validity duration to configure for the system DNS
+     *         resolver.
+     */
+    @NonNull
+    public static Duration getDnsResolverSampleValidityDuration(@NonNull Context context,
+            @NonNull Duration def) {
+        final int duration = Settings.Global.getInt(context.getContentResolver(),
+                DNS_RESOLVER_SAMPLE_VALIDITY_SECONDS, (int) def.getSeconds());
+        return Duration.ofSeconds(duration);
+    }
+
+    /**
+     * Set dns resolver sample validity duration to {@link Settings}. The duration must be a
+     * positive number of seconds.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param duration The sample validity duration.
+     */
+    public static void setDnsResolverSampleValidityDuration(@NonNull Context context,
+            @NonNull Duration duration) {
+        final int time = (int) duration.getSeconds();
+        if (time <= 0) {
+            throw new IllegalArgumentException("Invalid duration");
+        }
+        Settings.Global.putInt(
+                context.getContentResolver(), DNS_RESOLVER_SAMPLE_VALIDITY_SECONDS, time);
+    }
+
+    /**
+     * Get dns resolver success threshold percent from {@link Settings}.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @param def The default value if no setting value.
+     * @return The success threshold in percent for use with the system DNS resolver.
+     */
+    public static int getDnsResolverSuccessThresholdPercent(@NonNull Context context, int def) {
+        return Settings.Global.getInt(
+                context.getContentResolver(), DNS_RESOLVER_SUCCESS_THRESHOLD_PERCENT, def);
+    }
+
+    /**
+     * Set dns resolver success threshold percent to {@link Settings}. The threshold percent must
+     * be 0~100.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param percent The success threshold percent.
+     */
+    public static void setDnsResolverSuccessThresholdPercent(@NonNull Context context,
+            @IntRange(from = 0, to = 100) int percent) {
+        if (percent < 0 || percent > 100) {
+            throw new IllegalArgumentException("Percent must be 0~100");
+        }
+        Settings.Global.putInt(
+                context.getContentResolver(), DNS_RESOLVER_SUCCESS_THRESHOLD_PERCENT, percent);
+    }
+
+    /**
+     * Get dns resolver samples range from {@link Settings}.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @return The {@link Range<Integer>} of samples needed for statistics to be considered
+     *         meaningful in the system DNS resolver.
+     */
+    @NonNull
+    public static Range<Integer> getDnsResolverSampleRanges(@NonNull Context context) {
+        final int minSamples = Settings.Global.getInt(context.getContentResolver(),
+                DNS_RESOLVER_MIN_SAMPLES, DNS_RESOLVER_DEFAULT_MIN_SAMPLES);
+        final int maxSamples = Settings.Global.getInt(context.getContentResolver(),
+                DNS_RESOLVER_MAX_SAMPLES, DNS_RESOLVER_DEFAULT_MAX_SAMPLES);
+        return new Range<>(minSamples, maxSamples);
+    }
+
+    /**
+     * Set dns resolver samples range to {@link Settings}.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param range The samples range. The minimum number should be more than 0 and the maximum
+     *              number should be less that 64.
+     */
+    public static void setDnsResolverSampleRanges(@NonNull Context context,
+            @NonNull Range<Integer> range) {
+        if (range.getLower() < 0 || range.getUpper() > 64) {
+            throw new IllegalArgumentException("Argument must be 0~64");
+        }
+        Settings.Global.putInt(
+                context.getContentResolver(), DNS_RESOLVER_MIN_SAMPLES, range.getLower());
+        Settings.Global.putInt(
+                context.getContentResolver(), DNS_RESOLVER_MAX_SAMPLES, range.getUpper());
+    }
+
+    /**
+     * Get maximum count (from {@link Settings}) of switching network notifications shown in 24
+     * hours.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @param def The default value if no setting value.
+     * @return The maximum count of notifications shown in 24 hours when switching networks.
+     */
+    public static int getNetworkSwitchNotificationMaximumDailyCount(@NonNull Context context,
+            int def) {
+        return Settings.Global.getInt(
+                context.getContentResolver(), NETWORK_SWITCH_NOTIFICATION_DAILY_LIMIT, def);
+    }
+
+    /**
+     * Set maximum count (to {@link Settings}) of switching network notifications shown in 24 hours.
+     * The count must be at least 0.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param count The maximum count of switching network notifications shown in 24 hours.
+     */
+    public static void setNetworkSwitchNotificationMaximumDailyCount(@NonNull Context context,
+            @IntRange(from = 0) int count) {
+        if (count < 0) {
+            throw new IllegalArgumentException("Count must be 0~10.");
+        }
+        Settings.Global.putInt(
+                context.getContentResolver(), NETWORK_SWITCH_NOTIFICATION_DAILY_LIMIT, count);
+    }
+
+    /**
+     * Get minimum duration (from {@link Settings}) between each switching network notifications.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @param def The default time if no setting value.
+     * @return The minimum duration between notifications when switching networks.
+     */
+    @NonNull
+    public static Duration getNetworkSwitchNotificationRateDuration(@NonNull Context context,
+            @NonNull Duration def) {
+        final int duration = Settings.Global.getInt(context.getContentResolver(),
+                NETWORK_SWITCH_NOTIFICATION_RATE_LIMIT_MILLIS, (int) def.toMillis());
+        return Duration.ofMillis(duration);
+    }
+
+    /**
+     * Set minimum duration (to {@link Settings}) between each switching network notifications.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param duration The minimum duration between notifications when switching networks.
+     */
+    public static void setNetworkSwitchNotificationRateDuration(@NonNull Context context,
+            @NonNull Duration duration) {
+        final int time = (int) duration.toMillis();
+        if (time < 0) {
+            throw new IllegalArgumentException("Invalid duration.");
+        }
+        Settings.Global.putInt(context.getContentResolver(),
+                NETWORK_SWITCH_NOTIFICATION_RATE_LIMIT_MILLIS, time);
+    }
+
+    /**
+     * Get URL (from {@link Settings}) used for HTTP captive portal detection upon a new connection.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @return The URL used for HTTP captive portal detection upon a new connection.
+     */
+    @Nullable
+    public static String getCaptivePortalHttpUrl(@NonNull Context context) {
+        return Settings.Global.getString(context.getContentResolver(), CAPTIVE_PORTAL_HTTP_URL);
+    }
+
+    /**
+     * Set URL (to {@link Settings}) used for HTTP captive portal detection upon a new connection.
+     * This URL should respond with a 204 response to a GET request to indicate no captive portal is
+     * present. And this URL must be HTTP as redirect responses are used to find captive portal
+     * sign-in pages. If the URL set to null or be incorrect, it will result in captive portal
+     * detection failed and lost the connection.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param url The URL used for HTTP captive portal detection upon a new connection.
+     */
+    public static void setCaptivePortalHttpUrl(@NonNull Context context, @Nullable String url) {
+        Settings.Global.putString(context.getContentResolver(), CAPTIVE_PORTAL_HTTP_URL, url);
+    }
+
+    /**
+     * Get mode (from {@link Settings}) when connecting a network that presents a captive portal.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @param def The default mode if no setting value.
+     * @return The mode when connecting a network that presents a captive portal.
+     */
+    @CaptivePortalMode
+    public static int getCaptivePortalMode(@NonNull Context context,
+            @CaptivePortalMode int def) {
+        return Settings.Global.getInt(context.getContentResolver(), CAPTIVE_PORTAL_MODE, def);
+    }
+
+    /**
+     * Set mode (to {@link Settings}) when connecting a network that presents a captive portal.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param mode The mode when connecting a network that presents a captive portal.
+     */
+    public static void setCaptivePortalMode(@NonNull Context context, @CaptivePortalMode int mode) {
+        if (!(mode == CAPTIVE_PORTAL_MODE_IGNORE
+                || mode == CAPTIVE_PORTAL_MODE_PROMPT
+                || mode == CAPTIVE_PORTAL_MODE_AVOID)) {
+            throw new IllegalArgumentException("Invalid captive portal mode");
+        }
+        Settings.Global.putInt(context.getContentResolver(), CAPTIVE_PORTAL_MODE, mode);
+    }
+
+    /**
+     * Get the global HTTP proxy applied to the device, or null if none.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @return The {@link ProxyInfo} which build from global http proxy settings.
+     */
+    @Nullable
+    public static ProxyInfo getGlobalProxy(@NonNull Context context) {
+        final String host = Settings.Global.getString(
+                context.getContentResolver(), GLOBAL_HTTP_PROXY_HOST);
+        final int port = Settings.Global.getInt(
+                context.getContentResolver(), GLOBAL_HTTP_PROXY_PORT, 0 /* def */);
+        final String exclusionList = Settings.Global.getString(
+                context.getContentResolver(), GLOBAL_HTTP_PROXY_EXCLUSION_LIST);
+        final String pacFileUrl = Settings.Global.getString(
+                context.getContentResolver(), GLOBAL_HTTP_PROXY_PAC);
+
+        if (TextUtils.isEmpty(host) && TextUtils.isEmpty(pacFileUrl)) {
+            return null; // No global proxy.
+        }
+
+        if (TextUtils.isEmpty(pacFileUrl)) {
+            return ProxyInfo.buildDirectProxy(
+                    host, port, ProxyUtils.exclusionStringAsList(exclusionList));
+        } else {
+            return ProxyInfo.buildPacProxy(Uri.parse(pacFileUrl));
+        }
+    }
+
+    /**
+     * Set global http proxy settings from given {@link ProxyInfo}.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param proxyInfo The {@link ProxyInfo} for global http proxy settings which build from
+     *                    {@link ProxyInfo#buildPacProxy(Uri)} or
+     *                    {@link ProxyInfo#buildDirectProxy(String, int, List)}
+     */
+    public static void setGlobalProxy(@NonNull Context context, @NonNull ProxyInfo proxyInfo) {
+        final String host = proxyInfo.getHost();
+        final int port = proxyInfo.getPort();
+        final String exclusionList = proxyInfo.getExclusionListAsString();
+        final String pacFileUrl = proxyInfo.getPacFileUrl().toString();
+
+        if (TextUtils.isEmpty(pacFileUrl)) {
+            Settings.Global.putString(context.getContentResolver(), GLOBAL_HTTP_PROXY_HOST, host);
+            Settings.Global.putInt(context.getContentResolver(), GLOBAL_HTTP_PROXY_PORT, port);
+            Settings.Global.putString(
+                    context.getContentResolver(), GLOBAL_HTTP_PROXY_EXCLUSION_LIST, exclusionList);
+            Settings.Global.putString(
+                    context.getContentResolver(), GLOBAL_HTTP_PROXY_PAC, "" /* value */);
+        } else {
+            Settings.Global.putString(
+                    context.getContentResolver(), GLOBAL_HTTP_PROXY_PAC, pacFileUrl);
+            Settings.Global.putString(
+                    context.getContentResolver(), GLOBAL_HTTP_PROXY_HOST, "" /* value */);
+            Settings.Global.putInt(
+                    context.getContentResolver(), GLOBAL_HTTP_PROXY_PORT, 0 /* value */);
+            Settings.Global.putString(
+                    context.getContentResolver(), GLOBAL_HTTP_PROXY_EXCLUSION_LIST, "" /* value */);
+        }
+    }
+
+    /**
+     * Clear all global http proxy settings.
+     *
+     * @param context The {@link Context} to set the setting.
+     */
+    public static void clearGlobalProxy(@NonNull Context context) {
+        Settings.Global.putString(
+                context.getContentResolver(), GLOBAL_HTTP_PROXY_HOST, "" /* value */);
+        Settings.Global.putInt(
+                context.getContentResolver(), GLOBAL_HTTP_PROXY_PORT, 0 /* value */);
+        Settings.Global.putString(
+                context.getContentResolver(), GLOBAL_HTTP_PROXY_EXCLUSION_LIST, "" /* value */);
+        Settings.Global.putString(
+                context.getContentResolver(), GLOBAL_HTTP_PROXY_PAC, "" /* value */);
+    }
+
+    /**
+     * Get specific private dns provider name from {@link Settings}.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @return The specific private dns provider name, or null if no setting value.
+     */
+    @Nullable
+    public static String getPrivateDnsHostname(@NonNull Context context) {
+        return Settings.Global.getString(context.getContentResolver(), PRIVATE_DNS_SPECIFIER);
+    }
+
+    /**
+     * Set specific private dns provider name to {@link Settings}.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param specifier The specific private dns provider name.
+     */
+    public static void setPrivateDnsHostname(@NonNull Context context,
+            @Nullable String specifier) {
+        Settings.Global.putString(context.getContentResolver(), PRIVATE_DNS_SPECIFIER, specifier);
+    }
+
+    /**
+     * Get default private dns mode from {@link Settings}.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @return The default private dns mode.
+     */
+    @PrivateDnsMode
+    @NonNull
+    public static String getPrivateDnsDefaultMode(@NonNull Context context) {
+        return Settings.Global.getString(context.getContentResolver(), PRIVATE_DNS_DEFAULT_MODE);
+    }
+
+    /**
+     * Set default private dns mode to {@link Settings}.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param mode The default private dns mode. This should be one of the PRIVATE_DNS_MODE_*
+     *             constants.
+     */
+    public static void setPrivateDnsDefaultMode(@NonNull Context context,
+            @NonNull @PrivateDnsMode String mode) {
+        if (!(mode == PRIVATE_DNS_MODE_OFF
+                || mode == PRIVATE_DNS_MODE_OPPORTUNISTIC
+                || mode == PRIVATE_DNS_MODE_PROVIDER_HOSTNAME)) {
+            throw new IllegalArgumentException("Invalid private dns mode");
+        }
+        Settings.Global.putString(context.getContentResolver(), PRIVATE_DNS_DEFAULT_MODE, mode);
+    }
+
+    /**
+     * Get duration (from {@link Settings}) to keep a PendingIntent-based request.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @param def The default duration if no setting value.
+     * @return The duration to keep a PendingIntent-based request.
+     */
+    @NonNull
+    public static Duration getConnectivityKeepPendingIntentDuration(@NonNull Context context,
+            @NonNull Duration def) {
+        final int duration = Settings.Secure.getInt(context.getContentResolver(),
+                CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS, (int) def.toMillis());
+        return Duration.ofMillis(duration);
+    }
+
+    /**
+     * Set duration (to {@link Settings}) to keep a PendingIntent-based request.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param duration The duration to keep a PendingIntent-based request.
+     */
+    public static void setConnectivityKeepPendingIntentDuration(@NonNull Context context,
+            @NonNull Duration duration) {
+        final int time = (int) duration.toMillis();
+        if (time < 0) {
+            throw new IllegalArgumentException("Invalid duration.");
+        }
+        Settings.Secure.putInt(
+                context.getContentResolver(), CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS, time);
+    }
+
+    /**
+     * Read from {@link Settings} whether the mobile data connection should remain active
+     * even when higher priority networks are active.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @param def The default value if no setting value.
+     * @return Whether the mobile data connection should remain active even when higher
+     *         priority networks are active.
+     */
+    public static boolean getMobileDataAlwaysOn(@NonNull Context context, boolean def) {
+        final int enable = Settings.Global.getInt(
+                context.getContentResolver(), MOBILE_DATA_ALWAYS_ON, (def ? 1 : 0));
+        return (enable != 0) ? true : false;
+    }
+
+    /**
+     * Write into {@link Settings} whether the mobile data connection should remain active
+     * even when higher priority networks are active.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param enable Whether the mobile data connection should remain active even when higher
+     *               priority networks are active.
+     */
+    public static void setMobileDataAlwaysOn(@NonNull Context context, boolean enable) {
+        Settings.Global.putInt(
+                context.getContentResolver(), MOBILE_DATA_ALWAYS_ON, (enable ? 1 : 0));
+    }
+
+    /**
+     * Read from {@link Settings} whether the wifi data connection should remain active
+     * even when higher priority networks are active.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @param def The default value if no setting value.
+     * @return Whether the wifi data connection should remain active even when higher
+     *         priority networks are active.
+     */
+    public static boolean getWifiAlwaysRequested(@NonNull Context context, boolean def) {
+        final int enable = Settings.Global.getInt(
+                context.getContentResolver(), WIFI_ALWAYS_REQUESTED, (def ? 1 : 0));
+        return (enable != 0) ? true : false;
+    }
+
+    /**
+     * Write into {@link Settings} whether the wifi data connection should remain active
+     * even when higher priority networks are active.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param enable Whether the wifi data connection should remain active even when higher
+     *               priority networks are active
+     */
+    public static void setWifiAlwaysRequested(@NonNull Context context, boolean enable) {
+        Settings.Global.putInt(
+                context.getContentResolver(), WIFI_ALWAYS_REQUESTED, (enable ? 1 : 0));
+    }
+
+    /**
+     * Get avoid bad wifi setting from {@link Settings}.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @return The setting whether to automatically switch away from wifi networks that lose
+     *         internet access.
+     */
+    @NetworkAvoidBadWifi
+    public static int getNetworkAvoidBadWifi(@NonNull Context context) {
+        final String setting =
+                Settings.Global.getString(context.getContentResolver(), NETWORK_AVOID_BAD_WIFI);
+        if ("0".equals(setting)) {
+            return NETWORK_AVOID_BAD_WIFI_IGNORE;
+        } else if ("1".equals(setting)) {
+            return NETWORK_AVOID_BAD_WIFI_AVOID;
+        } else {
+            return NETWORK_AVOID_BAD_WIFI_PROMPT;
+        }
+    }
+
+    /**
+     * Set avoid bad wifi setting to {@link Settings}.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param value Whether to automatically switch away from wifi networks that lose internet
+     *              access.
+     */
+    public static void setNetworkAvoidBadWifi(@NonNull Context context,
+            @NetworkAvoidBadWifi int value) {
+        final String setting;
+        if (value == NETWORK_AVOID_BAD_WIFI_IGNORE) {
+            setting = "0";
+        } else if (value == NETWORK_AVOID_BAD_WIFI_AVOID) {
+            setting = "1";
+        } else if (value == NETWORK_AVOID_BAD_WIFI_PROMPT) {
+            setting = null;
+        } else {
+            throw new IllegalArgumentException("Invalid avoid bad wifi setting");
+        }
+        Settings.Global.putString(context.getContentResolver(), NETWORK_AVOID_BAD_WIFI, setting);
+    }
+
+    /**
+     * Get network metered multipath preference from {@link Settings}.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @return The network metered multipath preference which should be one of
+     *         ConnectivityManager#MULTIPATH_PREFERENCE_* value or null if the value specified
+     *         by config_networkMeteredMultipathPreference is used.
+     */
+    @Nullable
+    public static String getNetworkMeteredMultipathPreference(@NonNull Context context) {
+        return Settings.Global.getString(
+                context.getContentResolver(), NETWORK_METERED_MULTIPATH_PREFERENCE);
+    }
+
+    /**
+     * Set network metered multipath preference to {@link Settings}.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param preference The network metered multipath preference which should be one of
+     *                   ConnectivityManager#MULTIPATH_PREFERENCE_* value or null if the value
+     *                   specified by config_networkMeteredMultipathPreference is used.
+     */
+    public static void setNetworkMeteredMultipathPreference(@NonNull Context context,
+            @NonNull @MultipathPreference String preference) {
+        if (!(Integer.valueOf(preference) == MULTIPATH_PREFERENCE_HANDOVER
+                || Integer.valueOf(preference) == MULTIPATH_PREFERENCE_RELIABILITY
+                || Integer.valueOf(preference) == MULTIPATH_PREFERENCE_PERFORMANCE)) {
+            throw new IllegalArgumentException("Invalid private dns mode");
+        }
+        Settings.Global.putString(
+                context.getContentResolver(), NETWORK_METERED_MULTIPATH_PREFERENCE, preference);
+    }
+
+    /**
+     * Get the list of apps(from {@link Settings}) that should go on cellular networks in preference
+     * even when higher-priority networks are connected.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @return A list of apps that should go on cellular networks in preference even when
+     *         higher-priority networks are connected or null if no setting value.
+     */
+    @Nullable
+    public static String getMobileDataPreferredApps(@NonNull Context context) {
+        return Settings.Secure.getString(context.getContentResolver(), MOBILE_DATA_PREFERRED_APPS);
+    }
+
+    /**
+     * Set the list of apps(to {@link Settings}) that should go on cellular networks in preference
+     * even when higher-priority networks are connected.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param list A list of apps that should go on cellular networks in preference even when
+     *             higher-priority networks are connected.
+     */
+    public static void setMobileDataPreferredApps(@NonNull Context context, @Nullable String list) {
+        Settings.Secure.putString(context.getContentResolver(), MOBILE_DATA_PREFERRED_APPS, list);
+    }
 }
diff --git a/framework/src/android/net/IConnectivityManager.aidl b/framework/src/android/net/IConnectivityManager.aidl
index 3300fa8..0826922 100644
--- a/framework/src/android/net/IConnectivityManager.aidl
+++ b/framework/src/android/net/IConnectivityManager.aidl
@@ -142,7 +142,7 @@
             in NetworkCapabilities nc, in NetworkScore score, in NetworkAgentConfig config,
             in int factorySerialNumber);
 
-    NetworkRequest requestNetwork(in NetworkCapabilities networkCapabilities, int reqType,
+    NetworkRequest requestNetwork(int uid, in NetworkCapabilities networkCapabilities, int reqType,
             in Messenger messenger, int timeoutSec, in IBinder binder, int legacy,
             int callbackFlags, String callingPackageName, String callingAttributionTag);
 
diff --git a/framework/src/android/net/INetworkAgent.aidl b/framework/src/android/net/INetworkAgent.aidl
index 1f66e18..f9d3994 100644
--- a/framework/src/android/net/INetworkAgent.aidl
+++ b/framework/src/android/net/INetworkAgent.aidl
@@ -46,4 +46,6 @@
     void onRemoveKeepalivePacketFilter(int slot);
     void onQosFilterCallbackRegistered(int qosCallbackId, in QosFilterParcelable filterParcel);
     void onQosCallbackUnregistered(int qosCallbackId);
+    void onNetworkCreated();
+    void onNetworkDisconnected();
 }
diff --git a/framework/src/android/net/INetworkAgentRegistry.aidl b/framework/src/android/net/INetworkAgentRegistry.aidl
index c5464d3..cbd6193 100644
--- a/framework/src/android/net/INetworkAgentRegistry.aidl
+++ b/framework/src/android/net/INetworkAgentRegistry.aidl
@@ -22,6 +22,7 @@
 import android.net.NetworkScore;
 import android.net.QosSession;
 import android.telephony.data.EpsBearerQosSessionAttributes;
+import android.telephony.data.NrQosSessionAttributes;
 
 /**
  * Interface for NetworkAgents to send network properties.
@@ -37,6 +38,7 @@
     void sendSocketKeepaliveEvent(int slot, int reason);
     void sendUnderlyingNetworks(in @nullable List<Network> networks);
     void sendEpsQosSessionAvailable(int callbackId, in QosSession session, in EpsBearerQosSessionAttributes attributes);
+    void sendNrQosSessionAvailable(int callbackId, in QosSession session, in NrQosSessionAttributes attributes);
     void sendQosSessionLost(int qosCallbackId, in QosSession session);
     void sendQosCallbackError(int qosCallbackId, int exceptionType);
 }
diff --git a/framework/src/android/net/IQosCallback.aidl b/framework/src/android/net/IQosCallback.aidl
index 91c7575..c973541 100644
--- a/framework/src/android/net/IQosCallback.aidl
+++ b/framework/src/android/net/IQosCallback.aidl
@@ -19,6 +19,7 @@
 import android.os.Bundle;
 import android.net.QosSession;
 import android.telephony.data.EpsBearerQosSessionAttributes;
+import android.telephony.data.NrQosSessionAttributes;
 
 /**
  * AIDL interface for QosCallback
@@ -29,6 +30,8 @@
 {
      void onQosEpsBearerSessionAvailable(in QosSession session,
         in EpsBearerQosSessionAttributes attributes);
+     void onNrQosSessionAvailable(in QosSession session,
+        in NrQosSessionAttributes attributes);
      void onQosSessionLost(in QosSession session);
      void onError(in int type);
 }
diff --git a/framework/src/android/net/MacAddress.java b/framework/src/android/net/MacAddress.java
index c83c23a..26a504a 100644
--- a/framework/src/android/net/MacAddress.java
+++ b/framework/src/android/net/MacAddress.java
@@ -25,7 +25,6 @@
 import android.os.Parcel;
 import android.os.Parcelable;
 
-import com.android.internal.util.Preconditions;
 import com.android.net.module.util.MacAddressUtils;
 
 import java.lang.annotation.Retention;
@@ -34,6 +33,7 @@
 import java.net.UnknownHostException;
 import java.security.SecureRandom;
 import java.util.Arrays;
+import java.util.Objects;
 
 /**
  * Representation of a MAC address.
@@ -229,7 +229,7 @@
      * @hide
      */
     public static @NonNull byte[] byteAddrFromStringAddr(String addr) {
-        Preconditions.checkNotNull(addr);
+        Objects.requireNonNull(addr);
         String[] parts = addr.split(":");
         if (parts.length != ETHER_ADDR_LEN) {
             throw new IllegalArgumentException(addr + " was not a valid MAC address");
@@ -275,7 +275,7 @@
     // Internal conversion function equivalent to longAddrFromByteAddr(byteAddrFromStringAddr(addr))
     // that avoids the allocation of an intermediary byte[].
     private static long longAddrFromStringAddr(String addr) {
-        Preconditions.checkNotNull(addr);
+        Objects.requireNonNull(addr);
         String[] parts = addr.split(":");
         if (parts.length != ETHER_ADDR_LEN) {
             throw new IllegalArgumentException(addr + " was not a valid MAC address");
@@ -364,8 +364,8 @@
      *
      */
     public boolean matches(@NonNull MacAddress baseAddress, @NonNull MacAddress mask) {
-        Preconditions.checkNotNull(baseAddress);
-        Preconditions.checkNotNull(mask);
+        Objects.requireNonNull(baseAddress);
+        Objects.requireNonNull(mask);
         return (mAddr & mask.mAddr) == (baseAddress.mAddr & mask.mAddr);
     }
 
diff --git a/framework/src/android/net/NetworkAgent.java b/framework/src/android/net/NetworkAgent.java
index 1416bb9..01b88aa 100644
--- a/framework/src/android/net/NetworkAgent.java
+++ b/framework/src/android/net/NetworkAgent.java
@@ -32,6 +32,7 @@
 import android.os.Message;
 import android.os.RemoteException;
 import android.telephony.data.EpsBearerQosSessionAttributes;
+import android.telephony.data.NrQosSessionAttributes;
 import android.util.Log;
 
 import com.android.internal.annotations.VisibleForTesting;
@@ -361,6 +362,22 @@
      */
     public static final int CMD_UNREGISTER_QOS_CALLBACK = BASE + 21;
 
+    /**
+     * Sent by ConnectivityService to {@link NetworkAgent} to inform the agent that its native
+     * network was created and the Network object is now valid.
+     *
+     * @hide
+     */
+    public static final int CMD_NETWORK_CREATED = BASE + 22;
+
+    /**
+     * Sent by ConnectivityService to {@link NetworkAgent} to inform the agent that its native
+     * network was destroyed.
+     *
+     * @hide
+     */
+    public static final int CMD_NETWORK_DISCONNECTED = BASE + 23;
+
     private static NetworkInfo getLegacyNetworkInfo(final NetworkAgentConfig config) {
         // The subtype can be changed with (TODO) setLegacySubtype, but it starts
         // with 0 (TelephonyManager.NETWORK_TYPE_UNKNOWN) and an empty description.
@@ -390,7 +407,6 @@
      * @param score the initial score of this network. Update with sendNetworkScore.
      * @param config an immutable {@link NetworkAgentConfig} for this agent.
      * @param provider the {@link NetworkProvider} managing this agent.
-     * @hide TODO : unhide when impl is complete
      */
     public NetworkAgent(@NonNull Context context, @NonNull Looper looper, @NonNull String logTag,
             @NonNull NetworkCapabilities nc, @NonNull LinkProperties lp,
@@ -434,7 +450,7 @@
         }
 
         mInitialConfiguration = new InitialConfiguration(context,
-                new NetworkCapabilities(nc, /* parcelLocationSensitiveFields */ true),
+                new NetworkCapabilities(nc, NetworkCapabilities.REDACT_NONE),
                 new LinkProperties(lp), score, config, ni);
     }
 
@@ -562,6 +578,14 @@
                             msg.arg1 /* QoS callback id */);
                     break;
                 }
+                case CMD_NETWORK_CREATED: {
+                    onNetworkCreated();
+                    break;
+                }
+                case CMD_NETWORK_DISCONNECTED: {
+                    onNetworkDisconnected();
+                    break;
+                }
             }
         }
     }
@@ -702,6 +726,16 @@
             mHandler.sendMessage(mHandler.obtainMessage(
                     CMD_UNREGISTER_QOS_CALLBACK, qosCallbackId, 0, null));
         }
+
+        @Override
+        public void onNetworkCreated() {
+            mHandler.sendMessage(mHandler.obtainMessage(CMD_NETWORK_CREATED));
+        }
+
+        @Override
+        public void onNetworkDisconnected() {
+            mHandler.sendMessage(mHandler.obtainMessage(CMD_NETWORK_DISCONNECTED));
+        }
     }
 
     /**
@@ -878,8 +912,7 @@
         mBandwidthUpdatePending.set(false);
         mLastBwRefreshTime = System.currentTimeMillis();
         final NetworkCapabilities nc =
-                new NetworkCapabilities(networkCapabilities,
-                        /* parcelLocationSensitiveFields */ true);
+                new NetworkCapabilities(networkCapabilities, NetworkCapabilities.REDACT_NONE);
         queueOrSendMessage(reg -> reg.sendNetworkCapabilities(nc));
     }
 
@@ -1011,6 +1044,17 @@
     }
 
     /**
+     * Called when ConnectivityService has successfully created this NetworkAgent's native network.
+     */
+    public void onNetworkCreated() {}
+
+
+    /**
+     * Called when ConnectivityService has successfully destroy this NetworkAgent's native network.
+     */
+    public void onNetworkDisconnected() {}
+
+    /**
      * Requests that the network hardware send the specified packet at the specified interval.
      *
      * @param slot the hardware slot on which to start the keepalive.
@@ -1161,29 +1205,37 @@
 
 
     /**
-     * Sends the attributes of Eps Bearer Qos Session back to the Application
+     * Sends the attributes of Qos Session back to the Application
      *
      * @param qosCallbackId the callback id that the session belongs to
-     * @param sessionId the unique session id across all Eps Bearer Qos Sessions
-     * @param attributes the attributes of the Eps Qos Session
+     * @param sessionId the unique session id across all Qos Sessions
+     * @param attributes the attributes of the Qos Session
      */
     public final void sendQosSessionAvailable(final int qosCallbackId, final int sessionId,
-            @NonNull final EpsBearerQosSessionAttributes attributes) {
+            @NonNull final QosSessionAttributes attributes) {
         Objects.requireNonNull(attributes, "The attributes must be non-null");
-        queueOrSendMessage(ra -> ra.sendEpsQosSessionAvailable(qosCallbackId,
-                new QosSession(sessionId, QosSession.TYPE_EPS_BEARER),
-                attributes));
+        if (attributes instanceof EpsBearerQosSessionAttributes) {
+            queueOrSendMessage(ra -> ra.sendEpsQosSessionAvailable(qosCallbackId,
+                    new QosSession(sessionId, QosSession.TYPE_EPS_BEARER),
+                    (EpsBearerQosSessionAttributes)attributes));
+        } else if (attributes instanceof NrQosSessionAttributes) {
+            queueOrSendMessage(ra -> ra.sendNrQosSessionAvailable(qosCallbackId,
+                    new QosSession(sessionId, QosSession.TYPE_NR_BEARER),
+                    (NrQosSessionAttributes)attributes));
+        }
     }
 
     /**
-     * Sends event that the Eps Qos Session was lost.
+     * Sends event that the Qos Session was lost.
      *
      * @param qosCallbackId the callback id that the session belongs to
-     * @param sessionId the unique session id across all Eps Bearer Qos Sessions
+     * @param sessionId the unique session id across all Qos Sessions
+     * @param qosSessionType the session type {@code QosSesson#QosSessionType}
      */
-    public final void sendQosSessionLost(final int qosCallbackId, final int sessionId) {
+    public final void sendQosSessionLost(final int qosCallbackId,
+            final int sessionId, final int qosSessionType) {
         queueOrSendMessage(ra -> ra.sendQosSessionLost(qosCallbackId,
-                new QosSession(sessionId, QosSession.TYPE_EPS_BEARER)));
+                new QosSession(sessionId, qosSessionType)));
     }
 
     /**
diff --git a/framework/src/android/net/NetworkAgentConfig.java b/framework/src/android/net/NetworkAgentConfig.java
index 5e50a64..0bd2371 100644
--- a/framework/src/android/net/NetworkAgentConfig.java
+++ b/framework/src/android/net/NetworkAgentConfig.java
@@ -64,6 +64,16 @@
     }
 
     /**
+     * @return whether this VPN connection can be bypassed by the apps.
+     *
+     * @hide
+     */
+    @SystemApi(client = MODULE_LIBRARIES)
+    public boolean isBypassableVpn() {
+        return allowBypass;
+    }
+
+    /**
      * Set if the user desires to use this network even if it is unvalidated. This field has meaning
      * only if {@link explicitlySelected} is true. If it is, this field must also be set to the
      * appropriate value based on previous user choice.
@@ -347,6 +357,19 @@
         }
 
         /**
+         * Sets whether the apps can bypass the VPN connection.
+         *
+         * @return this builder, to facilitate chaining.
+         * @hide
+         */
+        @NonNull
+        @SystemApi(client = MODULE_LIBRARIES)
+        public Builder setBypassableVpn(boolean allowBypass) {
+            mConfig.allowBypass = allowBypass;
+            return this;
+        }
+
+        /**
          * Returns the constructed {@link NetworkAgentConfig} object.
          */
         @NonNull
diff --git a/framework/src/android/net/NetworkCapabilities.java b/framework/src/android/net/NetworkCapabilities.java
index 5ec7aa1..881fa8c 100644
--- a/framework/src/android/net/NetworkCapabilities.java
+++ b/framework/src/android/net/NetworkCapabilities.java
@@ -19,9 +19,11 @@
 import static com.android.internal.annotations.VisibleForTesting.Visibility.PRIVATE;
 
 import android.annotation.IntDef;
+import android.annotation.LongDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.RequiresPermission;
+import android.annotation.SuppressLint;
 import android.annotation.SystemApi;
 import android.compat.annotation.UnsupportedAppUsage;
 import android.net.ConnectivityManager.NetworkCallback;
@@ -32,10 +34,10 @@
 import android.os.Process;
 import android.text.TextUtils;
 import android.util.ArraySet;
+import android.util.Range;
 import android.util.proto.ProtoOutputStream;
 
 import com.android.internal.annotations.VisibleForTesting;
-import com.android.internal.util.Preconditions;
 import com.android.net.module.util.CollectionUtils;
 import com.android.net.module.util.NetworkCapabilitiesUtils;
 
@@ -63,6 +65,68 @@
 public final class NetworkCapabilities implements Parcelable {
     private static final String TAG = "NetworkCapabilities";
 
+    /**
+     * Mechanism to support redaction of fields in NetworkCapabilities that are guarded by specific
+     * app permissions.
+     **/
+    /**
+     * Don't redact any fields since the receiving app holds all the necessary permissions.
+     *
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final long REDACT_NONE = 0;
+
+    /**
+     * Redact any fields that need {@link android.Manifest.permission#ACCESS_FINE_LOCATION}
+     * permission since the receiving app does not hold this permission or the location toggle
+     * is off.
+     *
+     * @see android.Manifest.permission#ACCESS_FINE_LOCATION
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final long REDACT_FOR_ACCESS_FINE_LOCATION = 1 << 0;
+
+    /**
+     * Redact any fields that need {@link android.Manifest.permission#LOCAL_MAC_ADDRESS}
+     * permission since the receiving app does not hold this permission.
+     *
+     * @see android.Manifest.permission#LOCAL_MAC_ADDRESS
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final long REDACT_FOR_LOCAL_MAC_ADDRESS = 1 << 1;
+
+    /**
+     *
+     * Redact any fields that need {@link android.Manifest.permission#NETWORK_SETTINGS}
+     * permission since the receiving app does not hold this permission.
+     *
+     * @see android.Manifest.permission#NETWORK_SETTINGS
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final long REDACT_FOR_NETWORK_SETTINGS = 1 << 2;
+
+    /**
+     * Redact all fields in this object that require any relevant permission.
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final long REDACT_ALL = -1L;
+
+    /** @hide */
+    @LongDef(flag = true, prefix = { "REDACT_" }, value = {
+            REDACT_NONE,
+            REDACT_FOR_ACCESS_FINE_LOCATION,
+            REDACT_FOR_LOCAL_MAC_ADDRESS,
+            REDACT_FOR_NETWORK_SETTINGS,
+            REDACT_ALL
+    })
+    @Retention(RetentionPolicy.SOURCE)
+    public @interface RedactionType {}
+
     // Set to true when private DNS is broken.
     private boolean mPrivateDnsBroken;
 
@@ -77,32 +141,31 @@
     private String mRequestorPackageName;
 
     /**
-     * Indicates whether parceling should preserve fields that are set based on permissions of
-     * the process receiving the {@link NetworkCapabilities}.
+     * Indicates what fields should be redacted from this instance.
      */
-    private final boolean mParcelLocationSensitiveFields;
+    private final @RedactionType long mRedactions;
 
     public NetworkCapabilities() {
-        mParcelLocationSensitiveFields = false;
+        mRedactions = REDACT_ALL;
         clearAll();
         mNetworkCapabilities = DEFAULT_CAPABILITIES;
     }
 
     public NetworkCapabilities(NetworkCapabilities nc) {
-        this(nc, false /* parcelLocationSensitiveFields */);
+        this(nc, REDACT_ALL);
     }
 
     /**
      * Make a copy of NetworkCapabilities.
      *
      * @param nc Original NetworkCapabilities
-     * @param parcelLocationSensitiveFields Whether to parcel location sensitive data or not.
+     * @param redactions bitmask of redactions that needs to be performed on this new instance of
+     *                   {@link NetworkCapabilities}.
      * @hide
      */
-    @SystemApi
-    public NetworkCapabilities(
-            @Nullable NetworkCapabilities nc, boolean parcelLocationSensitiveFields) {
-        mParcelLocationSensitiveFields = parcelLocationSensitiveFields;
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public NetworkCapabilities(@Nullable NetworkCapabilities nc, @RedactionType long redactions) {
+        mRedactions = redactions;
         if (nc != null) {
             set(nc);
         }
@@ -114,11 +177,13 @@
      * @hide
      */
     public void clearAll() {
-        // Ensures that the internal copies maintained by the connectivity stack does not set
-        // this bit.
-        if (mParcelLocationSensitiveFields) {
+        // Ensures that the internal copies maintained by the connectivity stack does not set it to
+        // anything other than |REDACT_ALL|.
+        if (mRedactions != REDACT_ALL) {
+            // This is needed because the current redaction mechanism relies on redaction while
+            // parceling.
             throw new UnsupportedOperationException(
-                    "Cannot clear NetworkCapabilities when parcelLocationSensitiveFields is set");
+                    "Cannot clear NetworkCapabilities when mRedactions is set");
         }
         mNetworkCapabilities = mTransportTypes = mUnwantedNetworkCapabilities = 0;
         mLinkUpBandwidthKbps = mLinkDownBandwidthKbps = LINK_BANDWIDTH_UNSPECIFIED;
@@ -148,12 +213,12 @@
         mLinkDownBandwidthKbps = nc.mLinkDownBandwidthKbps;
         mNetworkSpecifier = nc.mNetworkSpecifier;
         if (nc.getTransportInfo() != null) {
-            setTransportInfo(nc.getTransportInfo().makeCopy(mParcelLocationSensitiveFields));
+            setTransportInfo(nc.getTransportInfo().makeCopy(mRedactions));
         } else {
             setTransportInfo(null);
         }
         mSignalStrength = nc.mSignalStrength;
-        setUids(nc.mUids); // Will make the defensive copy
+        mUids = (nc.mUids == null) ? null : new ArraySet<>(nc.mUids);
         setAdministratorUids(nc.getAdministratorUids());
         mOwnerUid = nc.mOwnerUid;
         mUnwantedNetworkCapabilities = nc.mUnwantedNetworkCapabilities;
@@ -574,19 +639,31 @@
     }
 
     /**
-     * Removes (if found) the given capability from this {@code NetworkCapability} instance.
+     * Removes (if found) the given capability from this {@code NetworkCapability}
+     * instance that were added via addCapability(int) or setCapabilities(int[], int[]).
      *
      * @param capability the capability to be removed.
      * @return This NetworkCapabilities instance, to facilitate chaining.
      * @hide
      */
     public @NonNull NetworkCapabilities removeCapability(@NetCapability int capability) {
-        // Note that this method removes capabilities that were added via addCapability(int),
-        // addUnwantedCapability(int) or setCapabilities(int[], int[]).
         checkValidCapability(capability);
         final long mask = ~(1 << capability);
         mNetworkCapabilities &= mask;
-        mUnwantedNetworkCapabilities &= mask;
+        return this;
+    }
+
+    /**
+     * Removes (if found) the given unwanted capability from this {@code NetworkCapability}
+     * instance that were added via addUnwantedCapability(int) or setCapabilities(int[], int[]).
+     *
+     * @param capability the capability to be removed.
+     * @return This NetworkCapabilities instance, to facilitate chaining.
+     * @hide
+     */
+    public @NonNull NetworkCapabilities removeUnwantedCapability(@NetCapability int capability) {
+        checkValidCapability(capability);
+        mUnwantedNetworkCapabilities &= ~(1 << capability);
         return this;
     }
 
@@ -658,6 +735,7 @@
     }
 
     /** @hide */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
     public boolean hasUnwantedCapability(@NetCapability int capability) {
         return isValidCapability(capability)
                 && ((mUnwantedNetworkCapabilities & (1 << capability)) != 0);
@@ -671,10 +749,16 @@
         return ((mNetworkCapabilities & CONNECTIVITY_MANAGED_CAPABILITIES) != 0);
     }
 
-    /** Note this method may result in having the same capability in wanted and unwanted lists. */
     private void combineNetCapabilities(@NonNull NetworkCapabilities nc) {
-        this.mNetworkCapabilities |= nc.mNetworkCapabilities;
-        this.mUnwantedNetworkCapabilities |= nc.mUnwantedNetworkCapabilities;
+        final long wantedCaps = this.mNetworkCapabilities | nc.mNetworkCapabilities;
+        final long unwantedCaps =
+                this.mUnwantedNetworkCapabilities | nc.mUnwantedNetworkCapabilities;
+        if ((wantedCaps & unwantedCaps) != 0) {
+            throw new IllegalArgumentException(
+                    "Cannot have the same capability in wanted and unwanted lists.");
+        }
+        this.mNetworkCapabilities = wantedCaps;
+        this.mUnwantedNetworkCapabilities = unwantedCaps;
     }
 
     /**
@@ -1456,9 +1540,8 @@
      * @hide
      */
     public @NonNull NetworkCapabilities setSingleUid(int uid) {
-        final ArraySet<UidRange> identity = new ArraySet<>(1);
-        identity.add(new UidRange(uid, uid));
-        setUids(identity);
+        mUids = new ArraySet<>(1);
+        mUids.add(new UidRange(uid, uid));
         return this;
     }
 
@@ -1467,22 +1550,34 @@
      * This makes a copy of the set so that callers can't modify it after the call.
      * @hide
      */
-    public @NonNull NetworkCapabilities setUids(Set<UidRange> uids) {
-        if (null == uids) {
-            mUids = null;
-        } else {
-            mUids = new ArraySet<>(uids);
-        }
+    public @NonNull NetworkCapabilities setUids(@Nullable Set<Range<Integer>> uids) {
+        mUids = UidRange.fromIntRanges(uids);
         return this;
     }
 
     /**
      * Get the list of UIDs this network applies to.
      * This returns a copy of the set so that callers can't modify the original object.
+     *
+     * @return the list of UIDs this network applies to. If {@code null}, then the network applies
+     *         to all UIDs.
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    @SuppressLint("NullableCollection")
+    public @Nullable Set<Range<Integer>> getUids() {
+        return UidRange.toIntRanges(mUids);
+    }
+
+    /**
+     * Get the list of UIDs this network applies to.
+     * This returns a copy of the set so that callers can't modify the original object.
      * @hide
      */
-    public @Nullable Set<UidRange> getUids() {
-        return null == mUids ? null : new ArraySet<>(mUids);
+    public @Nullable Set<UidRange> getUidRanges() {
+        if (mUids == null) return null;
+
+        return new ArraySet<>(mUids);
     }
 
     /**
@@ -2097,8 +2192,9 @@
     }
 
     private static void checkValidTransportType(@Transport int transport) {
-        Preconditions.checkArgument(
-                isValidTransport(transport), "Invalid TransportType " + transport);
+        if (!isValidTransport(transport)) {
+            throw new IllegalArgumentException("Invalid TransportType " + transport);
+        }
     }
 
     private static boolean isValidCapability(@NetworkCapabilities.NetCapability int capability) {
@@ -2106,8 +2202,9 @@
     }
 
     private static void checkValidCapability(@NetworkCapabilities.NetCapability int capability) {
-        Preconditions.checkArgument(isValidCapability(capability),
-                "NetworkCapability " + capability + "out of range");
+        if (!isValidCapability(capability)) {
+            throw new IllegalArgumentException("NetworkCapability " + capability + "out of range");
+        }
     }
 
     /**
@@ -2336,6 +2433,23 @@
     }
 
     /**
+     * Returns a bitmask of all the applicable redactions (based on the permissions held by the
+     * receiving app) to be performed on this object.
+     *
+     * @return bitmask of redactions applicable on this instance.
+     * @hide
+     */
+    public @RedactionType long getApplicableRedactions() {
+        // Currently, there are no fields redacted in NetworkCapabilities itself, so we just
+        // passthrough the redactions required by the embedded TransportInfo. If this changes
+        // in the future, modify this method.
+        if (mTransportInfo == null) {
+            return NetworkCapabilities.REDACT_NONE;
+        }
+        return mTransportInfo.getApplicableRedactions();
+    }
+
+    /**
      * Builder class for NetworkCapabilities.
      *
      * This class is mainly for for {@link NetworkAgent} instances to use. Many fields in
@@ -2653,6 +2767,21 @@
         }
 
         /**
+         * Set the list of UIDs this network applies to.
+         *
+         * @param uids the list of UIDs this network applies to, or {@code null} if this network
+         *             applies to all UIDs.
+         * @return this builder
+         * @hide
+         */
+        @NonNull
+        @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+        public Builder setUids(@Nullable Set<Range<Integer>> uids) {
+            mCaps.setUids(uids);
+            return this;
+        }
+
+        /**
          * Builds the instance of the capabilities.
          *
          * @return the built instance of NetworkCapabilities.
diff --git a/framework/src/android/net/NetworkRequest.java b/framework/src/android/net/NetworkRequest.java
index dbe3ecc..bcbc04f7 100644
--- a/framework/src/android/net/NetworkRequest.java
+++ b/framework/src/android/net/NetworkRequest.java
@@ -36,6 +36,7 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.RequiresPermission;
+import android.annotation.SuppressLint;
 import android.annotation.SystemApi;
 import android.compat.annotation.UnsupportedAppUsage;
 import android.net.NetworkCapabilities.NetCapability;
@@ -45,6 +46,7 @@
 import android.os.Parcelable;
 import android.os.Process;
 import android.text.TextUtils;
+import android.util.Range;
 import android.util.proto.ProtoOutputStream;
 
 import java.util.Arrays;
@@ -214,6 +216,14 @@
         }
 
         /**
+         * Creates a new Builder of NetworkRequest from an existing instance.
+         */
+        public Builder(@NonNull final NetworkRequest request) {
+            Objects.requireNonNull(request);
+            mNetworkCapabilities = request.networkCapabilities;
+        }
+
+        /**
          * Build {@link NetworkRequest} give the current set of capabilities.
          */
         public NetworkRequest build() {
@@ -277,11 +287,14 @@
          * Set the watched UIDs for this request. This will be reset and wiped out unless
          * the calling app holds the CHANGE_NETWORK_STATE permission.
          *
-         * @param uids The watched UIDs as a set of UidRanges, or null for everything.
+         * @param uids The watched UIDs as a set of {@code Range<Integer>}, or null for everything.
          * @return The builder to facilitate chaining.
          * @hide
          */
-        public Builder setUids(Set<UidRange> uids) {
+        @NonNull
+        @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+        @SuppressLint("MissingGetterMatchingBuilder")
+        public Builder setUids(@Nullable Set<Range<Integer>> uids) {
             mNetworkCapabilities.setUids(uids);
             return this;
         }
@@ -300,12 +313,31 @@
          *
          * @hide
          */
+        @NonNull
+        @SuppressLint("MissingGetterMatchingBuilder")
+        @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
         public Builder addUnwantedCapability(@NetworkCapabilities.NetCapability int capability) {
             mNetworkCapabilities.addUnwantedCapability(capability);
             return this;
         }
 
         /**
+         * Removes (if found) the given unwanted capability from this builder instance.
+         *
+         * @param capability The unwanted capability to remove.
+         * @return The builder to facilitate chaining.
+         *
+         * @hide
+         */
+        @NonNull
+        @SuppressLint("BuilderSetStyle")
+        @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+        public Builder removeUnwantedCapability(@NetworkCapabilities.NetCapability int capability) {
+            mNetworkCapabilities.removeUnwantedCapability(capability);
+            return this;
+        }
+
+        /**
          * Completely clears all the {@code NetworkCapabilities} from this builder instance,
          * removing even the capabilities that are set by default when the object is constructed.
          *
@@ -562,6 +594,7 @@
      *
      * @hide
      */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
     public boolean hasUnwantedCapability(@NetCapability int capability) {
         return networkCapabilities.hasUnwantedCapability(capability);
     }
diff --git a/framework/src/android/net/NetworkScore.java b/framework/src/android/net/NetworkScore.java
index eadcb2d..6584993 100644
--- a/framework/src/android/net/NetworkScore.java
+++ b/framework/src/android/net/NetworkScore.java
@@ -17,6 +17,7 @@
 package android.net;
 
 import android.annotation.NonNull;
+import android.annotation.SystemApi;
 import android.os.Parcel;
 import android.os.Parcelable;
 
@@ -29,7 +30,7 @@
  * network is considered for a particular use.
  * @hide
  */
-// TODO : @SystemApi when the implementation is complete
+@SystemApi
 public final class NetworkScore implements Parcelable {
     // This will be removed soon. Do *NOT* depend on it for any new code that is not part of
     // a migration.
@@ -62,6 +63,8 @@
 
     /**
      * @return whether this score has a particular policy.
+     *
+     * @hide
      */
     @VisibleForTesting
     public boolean hasPolicy(final int policy) {
diff --git a/framework/src/android/net/NetworkUtils.java b/framework/src/android/net/NetworkUtils.java
index da3350e..a92fda1 100644
--- a/framework/src/android/net/NetworkUtils.java
+++ b/framework/src/android/net/NetworkUtils.java
@@ -326,22 +326,7 @@
      */
     @UnsupportedAppUsage
     public static String trimV4AddrZeros(String addr) {
-        if (addr == null) return null;
-        String[] octets = addr.split("\\.");
-        if (octets.length != 4) return addr;
-        StringBuilder builder = new StringBuilder(16);
-        String result = null;
-        for (int i = 0; i < 4; i++) {
-            try {
-                if (octets[i].length() > 3) return addr;
-                builder.append(Integer.parseInt(octets[i]));
-            } catch (NumberFormatException e) {
-                return addr;
-            }
-            if (i < 3) builder.append('.');
-        }
-        result = builder.toString();
-        return result;
+        return Inet4AddressUtils.trimAddressZeros(addr);
     }
 
     /**
diff --git a/framework/src/android/net/QosCallbackConnection.java b/framework/src/android/net/QosCallbackConnection.java
index bdb4ad6..de0fc24 100644
--- a/framework/src/android/net/QosCallbackConnection.java
+++ b/framework/src/android/net/QosCallbackConnection.java
@@ -19,6 +19,7 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.telephony.data.EpsBearerQosSessionAttributes;
+import android.telephony.data.NrQosSessionAttributes;
 
 import com.android.internal.annotations.VisibleForTesting;
 
@@ -84,6 +85,25 @@
     }
 
     /**
+     * Called when either the {@link NrQosSessionAttributes} has changed or on the first time
+     * the attributes have become available.
+     *
+     * @param session the session that is now available
+     * @param attributes the corresponding attributes of session
+     */
+    @Override
+    public void onNrQosSessionAvailable(@NonNull final QosSession session,
+            @NonNull final NrQosSessionAttributes attributes) {
+
+        mExecutor.execute(() -> {
+            final QosCallback callback = mCallback;
+            if (callback != null) {
+                callback.onQosSessionAvailable(session, attributes);
+            }
+        });
+    }
+
+    /**
      * Called when the session is lost.
      *
      * @param session the session that was lost
diff --git a/framework/src/android/net/QosSession.java b/framework/src/android/net/QosSession.java
index 4f3bb77..93f2ff2 100644
--- a/framework/src/android/net/QosSession.java
+++ b/framework/src/android/net/QosSession.java
@@ -36,6 +36,11 @@
      */
     public static final int TYPE_EPS_BEARER = 1;
 
+    /**
+     * The {@link QosSession} is a NR Session.
+     */
+    public static final int TYPE_NR_BEARER = 2;
+
     private final int mSessionId;
 
     private final int mSessionType;
@@ -100,6 +105,7 @@
      */
     @IntDef(value = {
             TYPE_EPS_BEARER,
+            TYPE_NR_BEARER,
     })
     @interface QosSessionType {}
 
diff --git a/framework/src/android/net/StaticIpConfiguration.java b/framework/src/android/net/StaticIpConfiguration.java
index ce54597..7904f7a 100644
--- a/framework/src/android/net/StaticIpConfiguration.java
+++ b/framework/src/android/net/StaticIpConfiguration.java
@@ -24,7 +24,6 @@
 import android.os.Parcel;
 import android.os.Parcelable;
 
-import com.android.internal.util.Preconditions;
 import com.android.net.module.util.InetAddressUtils;
 
 import java.net.InetAddress;
@@ -153,7 +152,7 @@
          * @return The {@link Builder} for chaining.
          */
         public @NonNull Builder setDnsServers(@NonNull Iterable<InetAddress> dnsServers) {
-            Preconditions.checkNotNull(dnsServers);
+            Objects.requireNonNull(dnsServers);
             mDnsServers = dnsServers;
             return this;
         }
diff --git a/framework/src/android/net/TestNetworkManager.java b/framework/src/android/net/TestNetworkManager.java
index a174a7b..a7a6235 100644
--- a/framework/src/android/net/TestNetworkManager.java
+++ b/framework/src/android/net/TestNetworkManager.java
@@ -21,10 +21,9 @@
 import android.os.IBinder;
 import android.os.RemoteException;
 
-import com.android.internal.util.Preconditions;
-
 import java.util.Arrays;
 import java.util.Collection;
+import java.util.Objects;
 
 /**
  * Class that allows creation and management of per-app, test-only networks
@@ -50,7 +49,7 @@
 
     /** @hide */
     public TestNetworkManager(@NonNull ITestNetworkManager service) {
-        mService = Preconditions.checkNotNull(service, "missing ITestNetworkManager");
+        mService = Objects.requireNonNull(service, "missing ITestNetworkManager");
     }
 
     /**
@@ -93,7 +92,7 @@
      */
     public void setupTestNetwork(
             @NonNull LinkProperties lp, boolean isMetered, @NonNull IBinder binder) {
-        Preconditions.checkNotNull(lp, "Invalid LinkProperties");
+        Objects.requireNonNull(lp, "Invalid LinkProperties");
         setupTestNetwork(lp.getInterfaceName(), lp, isMetered, new int[0], binder);
     }
 
diff --git a/framework/src/android/net/TestNetworkSpecifier.java b/framework/src/android/net/TestNetworkSpecifier.java
index b7470a5..117457d 100644
--- a/framework/src/android/net/TestNetworkSpecifier.java
+++ b/framework/src/android/net/TestNetworkSpecifier.java
@@ -23,8 +23,6 @@
 import android.os.Parcelable;
 import android.text.TextUtils;
 
-import com.android.internal.util.Preconditions;
-
 import java.util.Objects;
 
 /**
@@ -43,7 +41,9 @@
     private final String mInterfaceName;
 
     public TestNetworkSpecifier(@NonNull String interfaceName) {
-        Preconditions.checkStringNotEmpty(interfaceName);
+        if (TextUtils.isEmpty(interfaceName)) {
+            throw new IllegalArgumentException("Empty interfaceName");
+        }
         mInterfaceName = interfaceName;
     }
 
diff --git a/framework/src/android/net/TransportInfo.java b/framework/src/android/net/TransportInfo.java
index aa4bbb0..fa889ea 100644
--- a/framework/src/android/net/TransportInfo.java
+++ b/framework/src/android/net/TransportInfo.java
@@ -29,35 +29,47 @@
 public interface TransportInfo {
 
     /**
-     * Create a copy of a {@link TransportInfo} that will preserve location sensitive fields that
-     * were set based on the permissions of the process that originally received it.
+     * Create a copy of a {@link TransportInfo} with some fields redacted based on the permissions
+     * held by the receiving app.
      *
-     * <p>By default {@link TransportInfo} does not preserve such fields during parceling, as
-     * they should not be shared outside of the process that receives them without appropriate
-     * checks.
+     * <p>
+     * Usage by connectivity stack:
+     * <ul>
+     * <li> Connectivity stack will invoke {@link #getApplicableRedactions()} to find the list
+     * of redactions that are required by this {@link TransportInfo} instance.</li>
+     * <li> Connectivity stack then loops through each bit in the bitmask returned and checks if the
+     * receiving app holds the corresponding permission.
+     * <ul>
+     * <li> If the app holds the corresponding permission, the bit is cleared from the
+     * |redactions| bitmask. </li>
+     * <li> If the app does not hold the corresponding permission, the bit is retained in the
+     * |redactions| bitmask. </li>
+     * </ul>
+     * <li> Connectivity stack then invokes {@link #makeCopy(long)} with the necessary |redactions|
+     * to create a copy to send to the corresponding app. </li>
+     * </ul>
+     * </p>
      *
-     * @param parcelLocationSensitiveFields Whether the location sensitive fields should be kept
-     *                                      when parceling
-     * @return Copy of this instance.
+     * @param redactions bitmask of redactions that needs to be performed on this instance.
+     * @return Copy of this instance with the necessary redactions.
      * @hide
      */
-    @SystemApi
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
     @NonNull
-    default TransportInfo makeCopy(boolean parcelLocationSensitiveFields) {
+    default TransportInfo makeCopy(@NetworkCapabilities.RedactionType long redactions) {
         return this;
     }
 
     /**
-     * Returns whether this TransportInfo type has location sensitive fields or not (helps
-     * to determine whether to perform a location permission check or not before sending to
-     * apps).
+     * Returns a bitmask of all the applicable redactions (based on the permissions held by the
+     * receiving app) to be performed on this TransportInfo.
      *
-     * @return {@code true} if this instance contains location sensitive info, {@code false}
-     * otherwise.
+     * @return bitmask of redactions applicable on this instance.
+     * @see #makeCopy(long)
      * @hide
      */
-    @SystemApi
-    default boolean hasLocationSensitiveFields() {
-        return false;
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    default @NetworkCapabilities.RedactionType long getApplicableRedactions() {
+        return NetworkCapabilities.REDACT_NONE;
     }
 }
diff --git a/framework/src/android/net/UidRange.java b/framework/src/android/net/UidRange.java
index 26518d3..bc67c74 100644
--- a/framework/src/android/net/UidRange.java
+++ b/framework/src/android/net/UidRange.java
@@ -20,8 +20,11 @@
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.os.UserHandle;
+import android.util.ArraySet;
+import android.util.Range;
 
 import java.util.Collection;
+import java.util.Set;
 
 /**
  * An inclusive range of UIDs.
@@ -149,4 +152,32 @@
         }
         return false;
     }
+
+    /**
+     *  Convert a set of {@code Range<Integer>} to a set of {@link UidRange}.
+     */
+    @Nullable
+    public static ArraySet<UidRange> fromIntRanges(@Nullable Set<Range<Integer>> ranges) {
+        if (null == ranges) return null;
+
+        final ArraySet<UidRange> uids = new ArraySet<>();
+        for (Range<Integer> range : ranges) {
+            uids.add(new UidRange(range.getLower(), range.getUpper()));
+        }
+        return uids;
+    }
+
+    /**
+     *  Convert a set of {@link UidRange} to a set of {@code Range<Integer>}.
+     */
+    @Nullable
+    public static ArraySet<Range<Integer>> toIntRanges(@Nullable Set<UidRange> ranges) {
+        if (null == ranges) return null;
+
+        final ArraySet<Range<Integer>> uids = new ArraySet<>();
+        for (UidRange range : ranges) {
+            uids.add(new Range<Integer>(range.start, range.stop));
+        }
+        return uids;
+    }
 }
diff --git a/service/Android.bp b/service/Android.bp
index f630cea..1330e71 100644
--- a/service/Android.bp
+++ b/service/Android.bp
@@ -68,6 +68,7 @@
         "net-utils-framework-common",
         "netd-client",
         "PlatformProperties",
+        "service-connectivity-protos",
     ],
     apex_available: [
         "//apex_available:platform",
@@ -76,6 +77,21 @@
 }
 
 java_library {
+    name: "service-connectivity-protos",
+    proto: {
+        type: "nano",
+    },
+    srcs: [
+        ":system-messages-proto-src",
+    ],
+    libs: ["libprotobuf-java-nano"],
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.tethering",
+    ],
+}
+
+java_library {
     name: "service-connectivity",
     installable: true,
     static_libs: [
diff --git a/service/jarjar-rules.txt b/service/jarjar-rules.txt
index a7b419b..5caa11b 100644
--- a/service/jarjar-rules.txt
+++ b/service/jarjar-rules.txt
@@ -12,3 +12,6 @@
 # the one in com.android.internal.util
 rule android.util.IndentingPrintWriter* android.connectivity.util.IndentingPrintWriter@1
 rule com.android.internal.util.** com.android.connectivity.util.@1
+
+rule com.android.internal.messages.** com.android.connectivity.messages.@1
+rule com.google.protobuf.** com.android.connectivity.protobuf.@1
diff --git a/service/proto/connectivityproto.proto b/service/proto/connectivityproto.proto
new file mode 100644
index 0000000..a992d7c
--- /dev/null
+++ b/service/proto/connectivityproto.proto
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+syntax = "proto2";
+
+// Connectivity protos can be created in this directory. Note this file must be included before
+// building system-messages-proto, otherwise it will not build by itself.
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 2fc7509..0c42585 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -30,6 +30,9 @@
 import static android.net.ConnectivityDiagnosticsManager.DataStallReport.KEY_DNS_CONSECUTIVE_TIMEOUTS;
 import static android.net.ConnectivityDiagnosticsManager.DataStallReport.KEY_TCP_METRICS_COLLECTION_PERIOD_MILLIS;
 import static android.net.ConnectivityDiagnosticsManager.DataStallReport.KEY_TCP_PACKET_FAIL_RATE;
+import static android.net.ConnectivityManager.BLOCKED_METERED_REASON_MASK;
+import static android.net.ConnectivityManager.BLOCKED_REASON_LOCKDOWN_VPN;
+import static android.net.ConnectivityManager.BLOCKED_REASON_NONE;
 import static android.net.ConnectivityManager.CONNECTIVITY_ACTION;
 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_OPPORTUNISTIC;
 import static android.net.ConnectivityManager.TYPE_BLUETOOTH;
@@ -69,10 +72,12 @@
 import static android.net.NetworkCapabilities.NET_CAPABILITY_OEM_PRIVATE;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_PARTIAL_CONNECTIVITY;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_VALIDATED;
+import static android.net.NetworkCapabilities.REDACT_FOR_ACCESS_FINE_LOCATION;
+import static android.net.NetworkCapabilities.REDACT_FOR_LOCAL_MAC_ADDRESS;
+import static android.net.NetworkCapabilities.REDACT_FOR_NETWORK_SETTINGS;
 import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR;
 import static android.net.NetworkCapabilities.TRANSPORT_TEST;
 import static android.net.NetworkCapabilities.TRANSPORT_VPN;
-import static android.net.NetworkPolicyManager.BLOCKED_REASON_NONE;
 import static android.net.NetworkPolicyManager.blockedReasonsToString;
 import static android.net.NetworkRequest.Type.LISTEN_FOR_BEST;
 import static android.net.shared.NetworkMonitorUtils.isPrivateDnsValidationRequired;
@@ -105,6 +110,7 @@
 import android.net.ConnectivityDiagnosticsManager.ConnectivityReport;
 import android.net.ConnectivityDiagnosticsManager.DataStallReport;
 import android.net.ConnectivityManager;
+import android.net.ConnectivityManager.BlockedReason;
 import android.net.ConnectivityManager.NetworkCallback;
 import android.net.ConnectivityManager.RestrictBackgroundStatus;
 import android.net.ConnectivityResources;
@@ -1200,7 +1206,7 @@
         mNetworkRanker = new NetworkRanker();
         final NetworkRequest defaultInternetRequest = createDefaultRequest();
         mDefaultRequest = new NetworkRequestInfo(
-                defaultInternetRequest, null,
+                Process.myUid(), defaultInternetRequest, null,
                 new Binder(), NetworkCallback.FLAG_INCLUDE_LOCATION_INFO,
                 null /* attributionTags */);
         mNetworkRequests.put(defaultInternetRequest, mDefaultRequest);
@@ -1335,7 +1341,7 @@
         netCap.addCapability(NET_CAPABILITY_INTERNET);
         netCap.addCapability(NET_CAPABILITY_NOT_VCN_MANAGED);
         netCap.removeCapability(NET_CAPABILITY_NOT_VPN);
-        netCap.setUids(Collections.singleton(uids));
+        netCap.setUids(UidRange.toIntRanges(Collections.singleton(uids)));
         return netCap;
     }
 
@@ -1407,8 +1413,7 @@
 
         if (enable) {
             handleRegisterNetworkRequest(new NetworkRequestInfo(
-                    networkRequest, null,
-                    new Binder(),
+                    Process.myUid(), networkRequest, null, new Binder(),
                     NetworkCallback.FLAG_INCLUDE_LOCATION_INFO,
                     null /* attributionTags */));
         } else {
@@ -1555,7 +1560,7 @@
         final int requestId = nri.getActiveRequest() != null
                 ? nri.getActiveRequest().requestId : nri.mRequests.get(0).requestId;
         mNetworkInfoBlockingLogs.log(String.format(
-                "%s %d(%d) on netId %d", action, nri.mUid, requestId, net.getNetId()));
+                "%s %d(%d) on netId %d", action, nri.mAsUid, requestId, net.getNetId()));
     }
 
     /**
@@ -1771,7 +1776,8 @@
                         nai.network,
                         createWithLocationInfoSanitizedIfNecessaryWhenParceled(
                                 nc, false /* includeLocationSensitiveInfo */,
-                                mDeps.getCallingUid(), callingPackageName, callingAttributionTag));
+                                getCallingPid(), mDeps.getCallingUid(), callingPackageName,
+                                callingAttributionTag));
             }
         }
 
@@ -1786,7 +1792,7 @@
                             createWithLocationInfoSanitizedIfNecessaryWhenParceled(
                                     nc,
                                     false /* includeLocationSensitiveInfo */,
-                                    mDeps.getCallingUid(), callingPackageName,
+                                    getCallingPid(), mDeps.getCallingUid(), callingPackageName,
                                     callingAttributionTag));
                 }
             }
@@ -1869,7 +1875,7 @@
         return createWithLocationInfoSanitizedIfNecessaryWhenParceled(
                 getNetworkCapabilitiesInternal(network),
                 false /* includeLocationSensitiveInfo */,
-                mDeps.getCallingUid(), callingPackageName, callingAttributionTag);
+                getCallingPid(), mDeps.getCallingUid(), callingPackageName, callingAttributionTag);
     }
 
     @VisibleForTesting
@@ -1888,40 +1894,137 @@
         return newNc;
     }
 
-    private boolean hasLocationPermission(int callerUid, @NonNull String callerPkgName,
-            @Nullable String callingAttributionTag) {
-        final long token = Binder.clearCallingIdentity();
-        try {
-            return mLocationPermissionChecker.checkLocationPermission(
-                    callerPkgName, callingAttributionTag, callerUid, null /* message */);
-        } finally {
-            Binder.restoreCallingIdentity(token);
+    /**
+     * Wrapper used to cache the permission check results performed for the corresponding
+     * app. This avoid performing multiple permission checks for different fields in
+     * NetworkCapabilities.
+     * Note: This wrapper does not support any sort of invalidation and thus must not be
+     * persistent or long-lived. It may only be used for the time necessary to
+     * compute the redactions required by one particular NetworkCallback or
+     * synchronous call.
+     */
+    private class RedactionPermissionChecker {
+        private final int mCallingPid;
+        private final int mCallingUid;
+        @NonNull private final String mCallingPackageName;
+        @Nullable private final String mCallingAttributionTag;
+
+        private Boolean mHasLocationPermission = null;
+        private Boolean mHasLocalMacAddressPermission = null;
+        private Boolean mHasSettingsPermission = null;
+
+        RedactionPermissionChecker(int callingPid, int callingUid,
+                @NonNull String callingPackageName, @Nullable String callingAttributionTag) {
+            mCallingPid = callingPid;
+            mCallingUid = callingUid;
+            mCallingPackageName = callingPackageName;
+            mCallingAttributionTag = callingAttributionTag;
         }
+
+        private boolean hasLocationPermissionInternal() {
+            final long token = Binder.clearCallingIdentity();
+            try {
+                return mLocationPermissionChecker.checkLocationPermission(
+                        mCallingPackageName, mCallingAttributionTag, mCallingUid,
+                        null /* message */);
+            } finally {
+                Binder.restoreCallingIdentity(token);
+            }
+        }
+
+        /**
+         * Returns whether the app holds location permission or not (might return cached result
+         * if the permission was already checked before).
+         */
+        public boolean hasLocationPermission() {
+            if (mHasLocationPermission == null) {
+                // If there is no cached result, perform the check now.
+                mHasLocationPermission = hasLocationPermissionInternal();
+            }
+            return mHasLocationPermission;
+        }
+
+        /**
+         * Returns whether the app holds local mac address permission or not (might return cached
+         * result if the permission was already checked before).
+         */
+        public boolean hasLocalMacAddressPermission() {
+            if (mHasLocalMacAddressPermission == null) {
+                // If there is no cached result, perform the check now.
+                mHasLocalMacAddressPermission =
+                        checkLocalMacAddressPermission(mCallingPid, mCallingUid);
+            }
+            return mHasLocalMacAddressPermission;
+        }
+
+        /**
+         * Returns whether the app holds settings permission or not (might return cached
+         * result if the permission was already checked before).
+         */
+        public boolean hasSettingsPermission() {
+            if (mHasSettingsPermission == null) {
+                // If there is no cached result, perform the check now.
+                mHasSettingsPermission = checkSettingsPermission(mCallingPid, mCallingUid);
+            }
+            return mHasSettingsPermission;
+        }
+    }
+
+    private static boolean shouldRedact(@NetworkCapabilities.RedactionType long redactions,
+            @NetworkCapabilities.NetCapability long redaction) {
+        return (redactions & redaction) != 0;
+    }
+
+    /**
+     * Use the provided |applicableRedactions| to check the receiving app's
+     * permissions and clear/set the corresponding bit in the returned bitmask. The bitmask
+     * returned will be used to ensure the necessary redactions are performed by NetworkCapabilities
+     * before being sent to the corresponding app.
+     */
+    private @NetworkCapabilities.RedactionType long retrieveRequiredRedactions(
+            @NetworkCapabilities.RedactionType long applicableRedactions,
+            @NonNull RedactionPermissionChecker redactionPermissionChecker,
+            boolean includeLocationSensitiveInfo) {
+        long redactions = applicableRedactions;
+        if (shouldRedact(redactions, REDACT_FOR_ACCESS_FINE_LOCATION)) {
+            if (includeLocationSensitiveInfo
+                    && redactionPermissionChecker.hasLocationPermission()) {
+                redactions &= ~REDACT_FOR_ACCESS_FINE_LOCATION;
+            }
+        }
+        if (shouldRedact(redactions, REDACT_FOR_LOCAL_MAC_ADDRESS)) {
+            if (redactionPermissionChecker.hasLocalMacAddressPermission()) {
+                redactions &= ~REDACT_FOR_LOCAL_MAC_ADDRESS;
+            }
+        }
+        if (shouldRedact(redactions, REDACT_FOR_NETWORK_SETTINGS)) {
+            if (redactionPermissionChecker.hasSettingsPermission()) {
+                redactions &= ~REDACT_FOR_NETWORK_SETTINGS;
+            }
+        }
+        return redactions;
     }
 
     @VisibleForTesting
     @Nullable
     NetworkCapabilities createWithLocationInfoSanitizedIfNecessaryWhenParceled(
             @Nullable NetworkCapabilities nc, boolean includeLocationSensitiveInfo,
-            int callerUid, @NonNull String callerPkgName, @Nullable String callingAttributionTag) {
+            int callingPid, int callingUid, @NonNull String callingPkgName,
+            @Nullable String callingAttributionTag) {
         if (nc == null) {
             return null;
         }
-        Boolean hasLocationPermission = null;
-        final NetworkCapabilities newNc;
         // Avoid doing location permission check if the transport info has no location sensitive
         // data.
-        if (includeLocationSensitiveInfo
-                && nc.getTransportInfo() != null
-                && nc.getTransportInfo().hasLocationSensitiveFields()) {
-            hasLocationPermission =
-                    hasLocationPermission(callerUid, callerPkgName, callingAttributionTag);
-            newNc = new NetworkCapabilities(nc, hasLocationPermission);
-        } else {
-            newNc = new NetworkCapabilities(nc, false /* parcelLocationSensitiveFields */);
-        }
+        final RedactionPermissionChecker redactionPermissionChecker =
+                new RedactionPermissionChecker(callingPid, callingUid, callingPkgName,
+                        callingAttributionTag);
+        final long redactions = retrieveRequiredRedactions(
+                nc.getApplicableRedactions(), redactionPermissionChecker,
+                includeLocationSensitiveInfo);
+        final NetworkCapabilities newNc = new NetworkCapabilities(nc, redactions);
         // Reset owner uid if not destined for the owner app.
-        if (callerUid != nc.getOwnerUid()) {
+        if (callingUid != nc.getOwnerUid()) {
             newNc.setOwnerUid(INVALID_UID);
             return newNc;
         }
@@ -1930,23 +2033,17 @@
             // Owner UIDs already checked above. No need to re-check.
             return newNc;
         }
-        // If the caller does not want location sensitive data & target SDK >= S, then mask info.
-        // Else include the owner UID iff the caller has location permission to provide backwards
+        // If the calling does not want location sensitive data & target SDK >= S, then mask info.
+        // Else include the owner UID iff the calling has location permission to provide backwards
         // compatibility for older apps.
         if (!includeLocationSensitiveInfo
                 && isTargetSdkAtleast(
-                        Build.VERSION_CODES.S, callerUid, callerPkgName)) {
+                        Build.VERSION_CODES.S, callingUid, callingPkgName)) {
             newNc.setOwnerUid(INVALID_UID);
             return newNc;
         }
-
-        if (hasLocationPermission == null) {
-            // Location permission not checked yet, check now for masking owner UID.
-            hasLocationPermission =
-                    hasLocationPermission(callerUid, callerPkgName, callingAttributionTag);
-        }
         // Reset owner uid if the app has no location permission.
-        if (!hasLocationPermission) {
+        if (!redactionPermissionChecker.hasLocationPermission()) {
             newNc.setOwnerUid(INVALID_UID);
         }
         return newNc;
@@ -1978,6 +2075,8 @@
     private void restrictRequestUidsForCallerAndSetRequestorInfo(NetworkCapabilities nc,
             int callerUid, String callerPackageName) {
         if (!checkSettingsPermission()) {
+            // There is no need to track the effective UID of the request here. If the caller lacks
+            // the settings permission, the effective UID is the same as the calling ID.
             nc.setSingleUid(callerUid);
         }
         nc.setRequestorUidAndPackageName(callerUid, callerPackageName);
@@ -2242,15 +2341,15 @@
 
     private final NetworkPolicyCallback mPolicyCallback = new NetworkPolicyCallback() {
         @Override
-        public void onUidBlockedReasonChanged(int uid, int blockedReasons) {
+        public void onUidBlockedReasonChanged(int uid, @BlockedReason int blockedReasons) {
             mHandler.sendMessage(mHandler.obtainMessage(EVENT_UID_BLOCKED_REASON_CHANGED,
                     uid, blockedReasons));
         }
     };
 
-    void handleUidBlockedReasonChanged(int uid, int blockedReasons) {
+    private void handleUidBlockedReasonChanged(int uid, @BlockedReason int blockedReasons) {
         maybeNotifyNetworkBlockedForNewState(uid, blockedReasons);
-        mUidBlockedReasons.put(uid, blockedReasons);
+        setUidBlockedReasons(uid, blockedReasons);
     }
 
     private boolean checkAnyPermissionOf(String... permissions) {
@@ -2437,6 +2536,11 @@
         mContext.enforceCallingOrSelfPermission(KeepaliveTracker.PERMISSION, "ConnectivityService");
     }
 
+    private boolean checkLocalMacAddressPermission(int pid, int uid) {
+        return PERMISSION_GRANTED == mContext.checkPermission(
+                Manifest.permission.LOCAL_MAC_ADDRESS, pid, uid);
+    }
+
     private void sendConnectedBroadcast(NetworkInfo info) {
         sendGeneralBroadcast(info, CONNECTIVITY_ACTION);
     }
@@ -2868,7 +2972,7 @@
             if (0 == defaultRequest.mRequests.size()) {
                 pw.println("none, this should never occur.");
             } else {
-                pw.println(defaultRequest.mRequests.get(0).networkCapabilities.getUids());
+                pw.println(defaultRequest.mRequests.get(0).networkCapabilities.getUidRanges());
             }
             pw.decreaseIndent();
             pw.decreaseIndent();
@@ -3600,6 +3704,7 @@
             mDnsManager.removeNetwork(nai.network);
         }
         mNetIdManager.releaseNetId(nai.network.getNetId());
+        nai.onNetworkDisconnected();
     }
 
     private boolean createNativeNetwork(@NonNull NetworkAgentInfo networkAgent) {
@@ -5021,7 +5126,7 @@
 
     @Override
     public void setRequireVpnForUids(boolean requireVpn, UidRange[] ranges) {
-        PermissionUtils.enforceNetworkStackPermission(mContext);
+        enforceNetworkStackOrSettingsPermission();
         mHandler.sendMessage(mHandler.obtainMessage(EVENT_SET_REQUIRE_VPN_FOR_UIDS,
                 encodeBool(requireVpn), 0 /* arg2 */, ranges));
     }
@@ -5059,7 +5164,7 @@
 
     @Override
     public void setLegacyLockdownVpnEnabled(boolean enabled) {
-        enforceSettingsPermission();
+        enforceNetworkStackOrSettingsPermission();
         mHandler.post(() -> mLockdownEnabled = enabled);
     }
 
@@ -5299,6 +5404,8 @@
         boolean mPendingIntentSent;
         @Nullable
         final Messenger mMessenger;
+
+        // Information about the caller that caused this object to be created.
         @Nullable
         private final IBinder mBinder;
         final int mPid;
@@ -5306,6 +5413,13 @@
         final @NetworkCallback.Flag int mCallbackFlags;
         @Nullable
         final String mCallingAttributionTag;
+
+        // Effective UID of this request. This is different from mUid when a privileged process
+        // files a request on behalf of another UID. This UID is used to determine blocked status,
+        // UID matching, and so on. mUid above is used for permission checks and to enforce the
+        // maximum limit of registered callbacks per UID.
+        final int mAsUid;
+
         // In order to preserve the mapping of NetworkRequest-to-callback when apps register
         // callbacks using a returned NetworkRequest, the original NetworkRequest needs to be
         // maintained for keying off of. This is only a concern when the original nri
@@ -5329,17 +5443,16 @@
         private Set<UidRange> getUids() {
             // networkCapabilities.getUids() returns a defensive copy.
             // multilayer requests will all have the same uids so return the first one.
-            final Set<UidRange> uids = null == mRequests.get(0).networkCapabilities.getUids()
-                    ? new ArraySet<>() : mRequests.get(0).networkCapabilities.getUids();
-            return uids;
+            final Set<UidRange> uids = mRequests.get(0).networkCapabilities.getUidRanges();
+            return (null == uids) ? new ArraySet<>() : uids;
         }
 
-        NetworkRequestInfo(@NonNull final NetworkRequest r, @Nullable final PendingIntent pi,
-                @Nullable String callingAttributionTag) {
-            this(Collections.singletonList(r), r, pi, callingAttributionTag);
+        NetworkRequestInfo(int asUid, @NonNull final NetworkRequest r,
+                @Nullable final PendingIntent pi, @Nullable String callingAttributionTag) {
+            this(asUid, Collections.singletonList(r), r, pi, callingAttributionTag);
         }
 
-        NetworkRequestInfo(@NonNull final List<NetworkRequest> r,
+        NetworkRequestInfo(int asUid, @NonNull final List<NetworkRequest> r,
                 @NonNull final NetworkRequest requestForCallback, @Nullable final PendingIntent pi,
                 @Nullable String callingAttributionTag) {
             ensureAllNetworkRequestsHaveType(r);
@@ -5350,6 +5463,7 @@
             mBinder = null;
             mPid = getCallingPid();
             mUid = mDeps.getCallingUid();
+            mAsUid = asUid;
             mNetworkRequestCounter.incrementCountOrThrow(mUid);
             /**
              * Location sensitive data not included in pending intent. Only included in
@@ -5359,14 +5473,15 @@
             mCallingAttributionTag = callingAttributionTag;
         }
 
-        NetworkRequestInfo(@NonNull final NetworkRequest r, @Nullable final Messenger m,
+        NetworkRequestInfo(int asUid, @NonNull final NetworkRequest r, @Nullable final Messenger m,
                 @Nullable final IBinder binder,
                 @NetworkCallback.Flag int callbackFlags,
                 @Nullable String callingAttributionTag) {
-            this(Collections.singletonList(r), r, m, binder, callbackFlags, callingAttributionTag);
+            this(asUid, Collections.singletonList(r), r, m, binder, callbackFlags,
+                    callingAttributionTag);
         }
 
-        NetworkRequestInfo(@NonNull final List<NetworkRequest> r,
+        NetworkRequestInfo(int asUid, @NonNull final List<NetworkRequest> r,
                 @NonNull final NetworkRequest requestForCallback, @Nullable final Messenger m,
                 @Nullable final IBinder binder,
                 @NetworkCallback.Flag int callbackFlags,
@@ -5379,6 +5494,7 @@
             mBinder = binder;
             mPid = getCallingPid();
             mUid = mDeps.getCallingUid();
+            mAsUid = asUid;
             mPendingIntent = null;
             mNetworkRequestCounter.incrementCountOrThrow(mUid);
             mCallbackFlags = callbackFlags;
@@ -5421,18 +5537,19 @@
             mBinder = nri.mBinder;
             mPid = nri.mPid;
             mUid = nri.mUid;
+            mAsUid = nri.mAsUid;
             mPendingIntent = nri.mPendingIntent;
             mNetworkRequestCounter.incrementCountOrThrow(mUid);
             mCallbackFlags = nri.mCallbackFlags;
             mCallingAttributionTag = nri.mCallingAttributionTag;
         }
 
-        NetworkRequestInfo(@NonNull final NetworkRequest r) {
-            this(Collections.singletonList(r));
+        NetworkRequestInfo(int asUid, @NonNull final NetworkRequest r) {
+            this(asUid, Collections.singletonList(r));
         }
 
-        NetworkRequestInfo(@NonNull final List<NetworkRequest> r) {
-            this(r, r.get(0), null /* pi */, null /* callingAttributionTag */);
+        NetworkRequestInfo(int asUid, @NonNull final List<NetworkRequest> r) {
+            this(asUid, r, r.get(0), null /* pi */, null /* callingAttributionTag */);
         }
 
         // True if this NRI is being satisfied. It also accounts for if the nri has its satisifer
@@ -5468,9 +5585,10 @@
 
         @Override
         public String toString() {
-            return "uid/pid:" + mUid + "/" + mPid + " active request Id: "
+            final String asUidString = (mAsUid == mUid) ? "" : " asUid: " + mAsUid;
+            return "uid/pid:" + mUid + "/" + mPid + asUidString + " activeRequest: "
                     + (mActiveRequest == null ? null : mActiveRequest.requestId)
-                    + " callback request Id: "
+                    + " callbackRequest: "
                     + mNetworkRequestForCallback.requestId
                     + " " + mRequests
                     + (mPendingIntent == null ? "" : " to trigger " + mPendingIntent)
@@ -5571,7 +5689,7 @@
     }
 
     @Override
-    public NetworkRequest requestNetwork(NetworkCapabilities networkCapabilities,
+    public NetworkRequest requestNetwork(int asUid, NetworkCapabilities networkCapabilities,
             int reqTypeInt, Messenger messenger, int timeoutMs, IBinder binder,
             int legacyType, int callbackFlags, @NonNull String callingPackageName,
             @Nullable String callingAttributionTag) {
@@ -5583,6 +5701,12 @@
         }
         final NetworkCapabilities defaultNc = mDefaultRequest.mRequests.get(0).networkCapabilities;
         final int callingUid = mDeps.getCallingUid();
+        // Privileged callers can track the default network of another UID by passing in a UID.
+        if (asUid != Process.INVALID_UID) {
+            enforceSettingsPermission();
+        } else {
+            asUid = callingUid;
+        }
         final NetworkRequest.Type reqType;
         try {
             reqType = NetworkRequest.Type.values()[reqTypeInt];
@@ -5592,10 +5716,10 @@
         switch (reqType) {
             case TRACK_DEFAULT:
                 // If the request type is TRACK_DEFAULT, the passed {@code networkCapabilities}
-                // is unused and will be replaced by ones appropriate for the caller.
-                // This allows callers to keep track of the default network for their app.
+                // is unused and will be replaced by ones appropriate for the UID (usually, the
+                // calling app). This allows callers to keep track of the default network.
                 networkCapabilities = copyDefaultNetworkCapabilitiesForUid(
-                        defaultNc, callingUid, callingPackageName);
+                        defaultNc, asUid, callingUid, callingPackageName);
                 enforceAccessPermission();
                 break;
             case TRACK_SYSTEM_DEFAULT:
@@ -5647,7 +5771,8 @@
         final NetworkRequest networkRequest = new NetworkRequest(networkCapabilities, legacyType,
                 nextNetworkRequestId(), reqType);
         final NetworkRequestInfo nri = getNriToRegister(
-                networkRequest, messenger, binder, callbackFlags, callingAttributionTag);
+                asUid, networkRequest, messenger, binder, callbackFlags,
+                callingAttributionTag);
         if (DBG) log("requestNetwork for " + nri);
 
         // For TRACK_SYSTEM_DEFAULT callbacks, the capabilities have been modified since they were
@@ -5674,25 +5799,27 @@
      * requests registered to track the default request. If there is currently a per-app default
      * tracking the app requestor, then we need to create a version of this nri that mirrors that of
      * the tracking per-app default so that callbacks are sent to the app requestor appropriately.
+     * @param asUid the uid on behalf of which to file the request. Different from requestorUid
+     *              when a privileged caller is tracking the default network for another uid.
      * @param nr the network request for the nri.
      * @param msgr the messenger for the nri.
      * @param binder the binder for the nri.
      * @param callingAttributionTag the calling attribution tag for the nri.
      * @return the nri to register.
      */
-    private NetworkRequestInfo getNriToRegister(@NonNull final NetworkRequest nr,
+    private NetworkRequestInfo getNriToRegister(final int asUid, @NonNull final NetworkRequest nr,
             @Nullable final Messenger msgr, @Nullable final IBinder binder,
             @NetworkCallback.Flag int callbackFlags,
             @Nullable String callingAttributionTag) {
         final List<NetworkRequest> requests;
         if (NetworkRequest.Type.TRACK_DEFAULT == nr.type) {
             requests = copyDefaultNetworkRequestsForUid(
-                    nr.getRequestorUid(), nr.getRequestorPackageName());
+                    asUid, nr.getRequestorUid(), nr.getRequestorPackageName());
         } else {
             requests = Collections.singletonList(nr);
         }
         return new NetworkRequestInfo(
-                requests, nr, msgr, binder, callbackFlags, callingAttributionTag);
+                asUid, requests, nr, msgr, binder, callbackFlags, callingAttributionTag);
     }
 
     private void enforceNetworkRequestPermissions(NetworkCapabilities networkCapabilities,
@@ -5773,8 +5900,8 @@
 
         NetworkRequest networkRequest = new NetworkRequest(networkCapabilities, TYPE_NONE,
                 nextNetworkRequestId(), NetworkRequest.Type.REQUEST);
-        NetworkRequestInfo nri =
-                new NetworkRequestInfo(networkRequest, operation, callingAttributionTag);
+        NetworkRequestInfo nri = new NetworkRequestInfo(callingUid, networkRequest, operation,
+                callingAttributionTag);
         if (DBG) log("pendingRequest for " + nri);
         mHandler.sendMessage(mHandler.obtainMessage(EVENT_REGISTER_NETWORK_REQUEST_WITH_INTENT,
                 nri));
@@ -5841,7 +5968,7 @@
         NetworkRequest networkRequest = new NetworkRequest(nc, TYPE_NONE, nextNetworkRequestId(),
                 NetworkRequest.Type.LISTEN);
         NetworkRequestInfo nri =
-                new NetworkRequestInfo(networkRequest, messenger, binder, callbackFlags,
+                new NetworkRequestInfo(callingUid, networkRequest, messenger, binder, callbackFlags,
                         callingAttributionTag);
         if (VDBG) log("listenForNetwork for " + nri);
 
@@ -5866,8 +5993,8 @@
 
         NetworkRequest networkRequest = new NetworkRequest(nc, TYPE_NONE, nextNetworkRequestId(),
                 NetworkRequest.Type.LISTEN);
-        NetworkRequestInfo nri =
-                new NetworkRequestInfo(networkRequest, operation, callingAttributionTag);
+        NetworkRequestInfo nri = new NetworkRequestInfo(callingUid, networkRequest, operation,
+                callingAttributionTag);
         if (VDBG) log("pendingListenForNetwork for " + nri);
 
         mHandler.sendMessage(mHandler.obtainMessage(EVENT_REGISTER_NETWORK_LISTENER, nri));
@@ -6017,33 +6144,37 @@
     /**
      * Get a copy of the network requests of the default request that is currently tracking the
      * given uid.
+     * @param asUid the uid on behalf of which to file the request. Different from requestorUid
+     *              when a privileged caller is tracking the default network for another uid.
      * @param requestorUid the uid to check the default for.
      * @param requestorPackageName the requestor's package name.
      * @return a copy of the default's NetworkRequest that is tracking the given uid.
      */
     @NonNull
     private List<NetworkRequest> copyDefaultNetworkRequestsForUid(
-            @NonNull final int requestorUid, @NonNull final String requestorPackageName) {
+            final int asUid, final int requestorUid, @NonNull final String requestorPackageName) {
         return copyNetworkRequestsForUid(
-                getDefaultRequestTrackingUid(requestorUid).mRequests,
-                requestorUid, requestorPackageName);
+                getDefaultRequestTrackingUid(asUid).mRequests,
+                asUid, requestorUid, requestorPackageName);
     }
 
     /**
      * Copy the given nri's NetworkRequest collection.
      * @param requestsToCopy the NetworkRequest collection to be copied.
+     * @param asUid the uid on behalf of which to file the request. Different from requestorUid
+     *              when a privileged caller is tracking the default network for another uid.
      * @param requestorUid the uid to set on the copied collection.
      * @param requestorPackageName the package name to set on the copied collection.
      * @return the copied NetworkRequest collection.
      */
     @NonNull
     private List<NetworkRequest> copyNetworkRequestsForUid(
-            @NonNull final List<NetworkRequest> requestsToCopy, @NonNull final int requestorUid,
-            @NonNull final String requestorPackageName) {
+            @NonNull final List<NetworkRequest> requestsToCopy, final int asUid,
+            final int requestorUid, @NonNull final String requestorPackageName) {
         final List<NetworkRequest> requests = new ArrayList<>();
         for (final NetworkRequest nr : requestsToCopy) {
             requests.add(new NetworkRequest(copyDefaultNetworkCapabilitiesForUid(
-                            nr.networkCapabilities, requestorUid, requestorPackageName),
+                            nr.networkCapabilities, asUid, requestorUid, requestorPackageName),
                     nr.legacyType, nextNetworkRequestId(), nr.type));
         }
         return requests;
@@ -6051,12 +6182,17 @@
 
     @NonNull
     private NetworkCapabilities copyDefaultNetworkCapabilitiesForUid(
-            @NonNull final NetworkCapabilities netCapToCopy, @NonNull final int requestorUid,
-            @NonNull final String requestorPackageName) {
+            @NonNull final NetworkCapabilities netCapToCopy, final int asUid,
+            final int requestorUid, @NonNull final String requestorPackageName) {
+        // These capabilities are for a TRACK_DEFAULT callback, so:
+        // 1. Remove NET_CAPABILITY_VPN, because it's (currently!) the only difference between
+        //    mDefaultRequest and a per-UID default request.
+        //    TODO: stop depending on the fact that these two unrelated things happen to be the same
+        // 2. Always set the UIDs to asUid. restrictRequestUidsForCallerAndSetRequestorInfo will
+        //    not do this in the case of a privileged application.
         final NetworkCapabilities netCap = new NetworkCapabilities(netCapToCopy);
         netCap.removeCapability(NET_CAPABILITY_NOT_VPN);
-        netCap.setSingleUid(requestorUid);
-        netCap.setUids(new ArraySet<>());
+        netCap.setSingleUid(asUid);
         restrictRequestUidsForCallerAndSetRequestorInfo(
                 netCap, requestorUid, requestorPackageName);
         return netCap;
@@ -6137,7 +6273,7 @@
         for (final NetworkRequestInfo nri : mDefaultNetworkRequests) {
             // Currently, all network requests will have the same uids therefore checking the first
             // one is sufficient. If/when uids are tracked at the nri level, this can change.
-            final Set<UidRange> uids = nri.mRequests.get(0).networkCapabilities.getUids();
+            final Set<UidRange> uids = nri.mRequests.get(0).networkCapabilities.getUidRanges();
             if (null == uids) {
                 continue;
             }
@@ -6578,7 +6714,7 @@
             return;
         }
 
-        final Set<UidRange> ranges = nai.networkCapabilities.getUids();
+        final Set<UidRange> ranges = nai.networkCapabilities.getUidRanges();
         final int vpnAppUid = nai.networkCapabilities.getOwnerUid();
         // TODO: this create a window of opportunity for apps to receive traffic between the time
         // when the old rules are removed and the time when new rules are added. To fix this,
@@ -6943,8 +7079,8 @@
 
     private void updateUids(NetworkAgentInfo nai, NetworkCapabilities prevNc,
             NetworkCapabilities newNc) {
-        Set<UidRange> prevRanges = null == prevNc ? null : prevNc.getUids();
-        Set<UidRange> newRanges = null == newNc ? null : newNc.getUids();
+        Set<UidRange> prevRanges = null == prevNc ? null : prevNc.getUidRanges();
+        Set<UidRange> newRanges = null == newNc ? null : newNc.getUidRanges();
         if (null == prevRanges) prevRanges = new ArraySet<>();
         if (null == newRanges) newRanges = new ArraySet<>();
         final Set<UidRange> prevRangesCopy = new ArraySet<>(prevRanges);
@@ -7180,7 +7316,7 @@
                 putParcelable(
                         bundle,
                         createWithLocationInfoSanitizedIfNecessaryWhenParceled(
-                                nc, includeLocationSensitiveInfo, nri.mUid,
+                                nc, includeLocationSensitiveInfo, nri.mPid, nri.mUid,
                                 nrForCallback.getRequestorPackageName(),
                                 nri.mCallingAttributionTag));
                 putParcelable(bundle, linkPropertiesRestrictedForCallerPermissions(
@@ -7201,7 +7337,7 @@
                 putParcelable(
                         bundle,
                         createWithLocationInfoSanitizedIfNecessaryWhenParceled(
-                                netCap, includeLocationSensitiveInfo, nri.mUid,
+                                netCap, includeLocationSensitiveInfo, nri.mPid, nri.mUid,
                                 nrForCallback.getRequestorPackageName(),
                                 nri.mCallingAttributionTag));
                 break;
@@ -7868,6 +8004,7 @@
                 updateCapabilitiesForNetwork(networkAgent);
             }
             networkAgent.created = true;
+            networkAgent.onNetworkCreated();
         }
 
         if (!networkAgent.everConnected && state == NetworkInfo.State.CONNECTED) {
@@ -7955,12 +8092,11 @@
             return;
         }
 
+        final int blockedReasons = mUidBlockedReasons.get(nri.mAsUid, BLOCKED_REASON_NONE);
         final boolean metered = nai.networkCapabilities.isMetered();
-        boolean blocked;
-        blocked = isUidBlockedByVpn(nri.mUid, mVpnBlockedUidRanges);
-        blocked |= NetworkPolicyManager.isUidBlocked(
-                mUidBlockedReasons.get(nri.mUid, BLOCKED_REASON_NONE), metered);
-        callCallbackForRequest(nri, nai, ConnectivityManager.CALLBACK_AVAILABLE, blocked ? 1 : 0);
+        final boolean vpnBlocked = isUidBlockedByVpn(nri.mAsUid, mVpnBlockedUidRanges);
+        callCallbackForRequest(nri, nai, ConnectivityManager.CALLBACK_AVAILABLE,
+                getBlockedState(blockedReasons, metered, vpnBlocked));
     }
 
     // Notify the requests on this NAI that the network is now lingered.
@@ -7969,6 +8105,21 @@
         notifyNetworkCallbacks(nai, ConnectivityManager.CALLBACK_LOSING, lingerTime);
     }
 
+    private static int getBlockedState(int reasons, boolean metered, boolean vpnBlocked) {
+        if (!metered) reasons &= ~BLOCKED_METERED_REASON_MASK;
+        return vpnBlocked
+                ? reasons | BLOCKED_REASON_LOCKDOWN_VPN
+                : reasons & ~BLOCKED_REASON_LOCKDOWN_VPN;
+    }
+
+    private void setUidBlockedReasons(int uid, @BlockedReason int blockedReasons) {
+        if (blockedReasons == BLOCKED_REASON_NONE) {
+            mUidBlockedReasons.delete(uid);
+        } else {
+            mUidBlockedReasons.put(uid, blockedReasons);
+        }
+    }
+
     /**
      * Notify of the blocked state apps with a registered callback matching a given NAI.
      *
@@ -7976,7 +8127,10 @@
      * any given nai, all requests need to be considered according to the uid who filed it.
      *
      * @param nai The target NetworkAgentInfo.
-     * @param oldMetered True if the previous network capabilities is metered.
+     * @param oldMetered True if the previous network capabilities were metered.
+     * @param newMetered True if the current network capabilities are metered.
+     * @param oldBlockedUidRanges list of UID ranges previously blocked by lockdown VPN.
+     * @param newBlockedUidRanges list of UID ranges blocked by lockdown VPN.
      */
     private void maybeNotifyNetworkBlocked(NetworkAgentInfo nai, boolean oldMetered,
             boolean newMetered, List<UidRange> oldBlockedUidRanges,
@@ -7985,22 +8139,18 @@
         for (int i = 0; i < nai.numNetworkRequests(); i++) {
             NetworkRequest nr = nai.requestAt(i);
             NetworkRequestInfo nri = mNetworkRequests.get(nr);
-            final boolean oldBlocked, newBlocked, oldVpnBlocked, newVpnBlocked;
 
-            oldVpnBlocked = isUidBlockedByVpn(nri.mUid, oldBlockedUidRanges);
-            newVpnBlocked = (oldBlockedUidRanges != newBlockedUidRanges)
-                    ? isUidBlockedByVpn(nri.mUid, newBlockedUidRanges)
+            final int blockedReasons = mUidBlockedReasons.get(nri.mAsUid, BLOCKED_REASON_NONE);
+            final boolean oldVpnBlocked = isUidBlockedByVpn(nri.mAsUid, oldBlockedUidRanges);
+            final boolean newVpnBlocked = (oldBlockedUidRanges != newBlockedUidRanges)
+                    ? isUidBlockedByVpn(nri.mAsUid, newBlockedUidRanges)
                     : oldVpnBlocked;
 
-            final int blockedReasons = mUidBlockedReasons.get(nri.mUid, BLOCKED_REASON_NONE);
-            oldBlocked = oldVpnBlocked || NetworkPolicyManager.isUidBlocked(
-                    blockedReasons, oldMetered);
-            newBlocked = newVpnBlocked || NetworkPolicyManager.isUidBlocked(
-                    blockedReasons, newMetered);
-
-            if (oldBlocked != newBlocked) {
+            final int oldBlockedState = getBlockedState(blockedReasons, oldMetered, oldVpnBlocked);
+            final int newBlockedState = getBlockedState(blockedReasons, newMetered, newVpnBlocked);
+            if (oldBlockedState != newBlockedState) {
                 callCallbackForRequest(nri, nai, ConnectivityManager.CALLBACK_BLK_CHANGED,
-                        encodeBool(newBlocked));
+                        newBlockedState);
             }
         }
     }
@@ -8010,25 +8160,23 @@
      * @param uid The uid for which the rules changed.
      * @param blockedReasons The reasons for why an uid is blocked.
      */
-    private void maybeNotifyNetworkBlockedForNewState(int uid, int blockedReasons) {
+    private void maybeNotifyNetworkBlockedForNewState(int uid, @BlockedReason int blockedReasons) {
         for (final NetworkAgentInfo nai : mNetworkAgentInfos) {
             final boolean metered = nai.networkCapabilities.isMetered();
             final boolean vpnBlocked = isUidBlockedByVpn(uid, mVpnBlockedUidRanges);
-            final boolean oldBlocked, newBlocked;
 
-            oldBlocked = vpnBlocked || NetworkPolicyManager.isUidBlocked(
-                    mUidBlockedReasons.get(uid, BLOCKED_REASON_NONE), metered);
-            newBlocked = vpnBlocked || NetworkPolicyManager.isUidBlocked(
-                    blockedReasons, metered);
-            if (oldBlocked == newBlocked) {
+            final int oldBlockedState = getBlockedState(
+                    mUidBlockedReasons.get(uid, BLOCKED_REASON_NONE), metered, vpnBlocked);
+            final int newBlockedState = getBlockedState(blockedReasons, metered, vpnBlocked);
+            if (oldBlockedState == newBlockedState) {
                 continue;
             }
-            final int arg = encodeBool(newBlocked);
             for (int i = 0; i < nai.numNetworkRequests(); i++) {
                 NetworkRequest nr = nai.requestAt(i);
                 NetworkRequestInfo nri = mNetworkRequests.get(nr);
-                if (nri != null && nri.mUid == uid) {
-                    callCallbackForRequest(nri, nai, ConnectivityManager.CALLBACK_BLK_CHANGED, arg);
+                if (nri != null && nri.mAsUid == uid) {
+                    callCallbackForRequest(nri, nai, ConnectivityManager.CALLBACK_BLK_CHANGED,
+                            newBlockedState);
                 }
             }
         }
@@ -8792,7 +8940,7 @@
         // nri is not bound to the death of callback. Instead, callback.bindToDeath() is set in
         // handleRegisterConnectivityDiagnosticsCallback(). nri will be cleaned up as part of the
         // callback's binder death.
-        final NetworkRequestInfo nri = new NetworkRequestInfo(requestWithId);
+        final NetworkRequestInfo nri = new NetworkRequestInfo(callingUid, requestWithId);
         final ConnectivityDiagnosticsCallbackInfo cbInfo =
                 new ConnectivityDiagnosticsCallbackInfo(callback, nri, callingPackageName);
 
@@ -9275,8 +9423,8 @@
             final ArrayList<NetworkRequest> nrs = new ArrayList<>();
             nrs.add(createNetworkRequest(NetworkRequest.Type.REQUEST, pref.capabilities));
             nrs.add(createDefaultRequest());
-            setNetworkRequestUids(nrs, pref.capabilities.getUids());
-            final NetworkRequestInfo nri = new NetworkRequestInfo(nrs);
+            setNetworkRequestUids(nrs, UidRange.fromIntRanges(pref.capabilities.getUids()));
+            final NetworkRequestInfo nri = new NetworkRequestInfo(Process.myUid(), nrs);
             result.add(nri);
         }
         return result;
@@ -9447,7 +9595,7 @@
             }
             // Include this nri if it will be tracked by the new per-app default requests.
             final boolean isNriGoingToBeTracked =
-                    getDefaultRequestTrackingUid(nri.mUid) != mDefaultRequest;
+                    getDefaultRequestTrackingUid(nri.mAsUid) != mDefaultRequest;
             if (isNriGoingToBeTracked) {
                 defaultCallbackRequests.add(nri);
             }
@@ -9469,7 +9617,7 @@
         final ArraySet<NetworkRequestInfo> callbackRequestsToRegister = new ArraySet<>();
         for (final NetworkRequestInfo callbackRequest : perAppCallbackRequestsForUpdate) {
             final NetworkRequestInfo trackingNri =
-                    getDefaultRequestTrackingUid(callbackRequest.mUid);
+                    getDefaultRequestTrackingUid(callbackRequest.mAsUid);
 
             // If this nri is not being tracked, the change it back to an untracked nri.
             if (trackingNri == mDefaultRequest) {
@@ -9479,21 +9627,20 @@
                 continue;
             }
 
-            final String requestorPackageName =
-                    callbackRequest.mRequests.get(0).getRequestorPackageName();
+            final NetworkRequest request = callbackRequest.mRequests.get(0);
             callbackRequestsToRegister.add(new NetworkRequestInfo(
                     callbackRequest,
                     copyNetworkRequestsForUid(
-                            trackingNri.mRequests, callbackRequest.mUid, requestorPackageName)));
+                            trackingNri.mRequests, callbackRequest.mAsUid,
+                            callbackRequest.mUid, request.getRequestorPackageName())));
         }
         return callbackRequestsToRegister;
     }
 
     private static void setNetworkRequestUids(@NonNull final List<NetworkRequest> requests,
             @NonNull final Set<UidRange> uids) {
-        final Set<UidRange> ranges = new ArraySet<>(uids);
         for (final NetworkRequest req : requests) {
-            req.networkCapabilities.setUids(ranges);
+            req.networkCapabilities.setUids(UidRange.toIntRanges(uids));
         }
     }
 
@@ -9589,7 +9736,7 @@
                 ranges.add(new UidRange(uid, uid));
             }
             setNetworkRequestUids(requests, ranges);
-            return new NetworkRequestInfo(requests);
+            return new NetworkRequestInfo(Process.myUid(), requests);
         }
 
         private NetworkRequest createUnmeteredNetworkRequest() {
diff --git a/services/core/java/com/android/server/connectivity/NetworkAgentInfo.java b/services/core/java/com/android/server/connectivity/NetworkAgentInfo.java
index 103ab95..97df5bf 100644
--- a/services/core/java/com/android/server/connectivity/NetworkAgentInfo.java
+++ b/services/core/java/com/android/server/connectivity/NetworkAgentInfo.java
@@ -49,6 +49,7 @@
 import android.os.RemoteException;
 import android.os.SystemClock;
 import android.telephony.data.EpsBearerQosSessionAttributes;
+import android.telephony.data.NrQosSessionAttributes;
 import android.util.Log;
 import android.util.Pair;
 import android.util.SparseArray;
@@ -576,6 +577,28 @@
         }
     }
 
+    /**
+     * Notify the NetworkAgent that the network is successfully connected.
+     */
+    public void onNetworkCreated() {
+        try {
+            networkAgent.onNetworkCreated();
+        } catch (RemoteException e) {
+            Log.e(TAG, "Error sending network created event", e);
+        }
+    }
+
+    /**
+     * Notify the NetworkAgent that the network is disconnected and destroyed.
+     */
+    public void onNetworkDisconnected() {
+        try {
+            networkAgent.onNetworkDisconnected();
+        } catch (RemoteException e) {
+            Log.e(TAG, "Error sending network disconnected event", e);
+        }
+    }
+
     // TODO: consider moving out of NetworkAgentInfo into its own class
     private class NetworkAgentMessageHandler extends INetworkAgentRegistry.Stub {
         private final Handler mHandler;
@@ -633,7 +656,13 @@
         @Override
         public void sendEpsQosSessionAvailable(final int qosCallbackId, final QosSession session,
                 final EpsBearerQosSessionAttributes attributes) {
-            mQosCallbackTracker.sendEventQosSessionAvailable(qosCallbackId, session, attributes);
+            mQosCallbackTracker.sendEventEpsQosSessionAvailable(qosCallbackId, session, attributes);
+        }
+
+        @Override
+        public void sendNrQosSessionAvailable(final int qosCallbackId, final QosSession session,
+                final NrQosSessionAttributes attributes) {
+            mQosCallbackTracker.sendEventNrQosSessionAvailable(qosCallbackId, session, attributes);
         }
 
         @Override
diff --git a/services/core/java/com/android/server/connectivity/QosCallbackAgentConnection.java b/services/core/java/com/android/server/connectivity/QosCallbackAgentConnection.java
index 0f5400d..534dbe7 100644
--- a/services/core/java/com/android/server/connectivity/QosCallbackAgentConnection.java
+++ b/services/core/java/com/android/server/connectivity/QosCallbackAgentConnection.java
@@ -27,6 +27,7 @@
 import android.os.IBinder;
 import android.os.RemoteException;
 import android.telephony.data.EpsBearerQosSessionAttributes;
+import android.telephony.data.NrQosSessionAttributes;
 import android.util.Log;
 
 import java.util.Objects;
@@ -146,13 +147,23 @@
         mNetworkAgentInfo.onQosCallbackUnregistered(mAgentCallbackId);
     }
 
-    void sendEventQosSessionAvailable(final QosSession session,
+    void sendEventEpsQosSessionAvailable(final QosSession session,
             final EpsBearerQosSessionAttributes attributes) {
         try {
-            if (DBG) log("sendEventQosSessionAvailable: sending...");
+            if (DBG) log("sendEventEpsQosSessionAvailable: sending...");
             mCallback.onQosEpsBearerSessionAvailable(session, attributes);
         } catch (final RemoteException e) {
-            loge("sendEventQosSessionAvailable: remote exception", e);
+            loge("sendEventEpsQosSessionAvailable: remote exception", e);
+        }
+    }
+
+    void sendEventNrQosSessionAvailable(final QosSession session,
+            final NrQosSessionAttributes attributes) {
+        try {
+            if (DBG) log("sendEventNrQosSessionAvailable: sending...");
+            mCallback.onNrQosSessionAvailable(session, attributes);
+        } catch (final RemoteException e) {
+            loge("sendEventNrQosSessionAvailable: remote exception", e);
         }
     }
 
diff --git a/services/core/java/com/android/server/connectivity/QosCallbackTracker.java b/services/core/java/com/android/server/connectivity/QosCallbackTracker.java
index 8bda532..b6ab47b 100644
--- a/services/core/java/com/android/server/connectivity/QosCallbackTracker.java
+++ b/services/core/java/com/android/server/connectivity/QosCallbackTracker.java
@@ -27,6 +27,7 @@
 import android.os.Handler;
 import android.os.IBinder;
 import android.telephony.data.EpsBearerQosSessionAttributes;
+import android.telephony.data.NrQosSessionAttributes;
 import android.util.Log;
 
 import com.android.net.module.util.CollectionUtils;
@@ -179,17 +180,31 @@
     }
 
     /**
-     * Called when the NetworkAgent sends the qos session available event
+     * Called when the NetworkAgent sends the qos session available event for EPS
      *
      * @param qosCallbackId the callback id that the qos session is now available to
      * @param session the qos session that is now available
      * @param attributes the qos attributes that are now available on the qos session
      */
-    public void sendEventQosSessionAvailable(final int qosCallbackId,
+    public void sendEventEpsQosSessionAvailable(final int qosCallbackId,
             final QosSession session,
             final EpsBearerQosSessionAttributes attributes) {
-        runOnAgentConnection(qosCallbackId, "sendEventQosSessionAvailable: ",
-                ac -> ac.sendEventQosSessionAvailable(session, attributes));
+        runOnAgentConnection(qosCallbackId, "sendEventEpsQosSessionAvailable: ",
+                ac -> ac.sendEventEpsQosSessionAvailable(session, attributes));
+    }
+
+    /**
+     * Called when the NetworkAgent sends the qos session available event for NR
+     *
+     * @param qosCallbackId the callback id that the qos session is now available to
+     * @param session the qos session that is now available
+     * @param attributes the qos attributes that are now available on the qos session
+     */
+    public void sendEventNrQosSessionAvailable(final int qosCallbackId,
+            final QosSession session,
+            final NrQosSessionAttributes attributes) {
+        runOnAgentConnection(qosCallbackId, "sendEventNrQosSessionAvailable: ",
+                ac -> ac.sendEventNrQosSessionAvailable(session, attributes));
     }
 
     /**
diff --git a/tests/net/common/java/android/net/NetworkCapabilitiesTest.java b/tests/net/common/java/android/net/NetworkCapabilitiesTest.java
index 0dfec75..1f50e31 100644
--- a/tests/net/common/java/android/net/NetworkCapabilitiesTest.java
+++ b/tests/net/common/java/android/net/NetworkCapabilitiesTest.java
@@ -35,6 +35,9 @@
 import static android.net.NetworkCapabilities.NET_CAPABILITY_PARTIAL_CONNECTIVITY;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_VALIDATED;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_WIFI_P2P;
+import static android.net.NetworkCapabilities.REDACT_FOR_ACCESS_FINE_LOCATION;
+import static android.net.NetworkCapabilities.REDACT_FOR_LOCAL_MAC_ADDRESS;
+import static android.net.NetworkCapabilities.REDACT_FOR_NETWORK_SETTINGS;
 import static android.net.NetworkCapabilities.RESTRICTED_CAPABILITIES;
 import static android.net.NetworkCapabilities.SIGNAL_STRENGTH_UNSPECIFIED;
 import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR;
@@ -51,7 +54,6 @@
 import static com.android.testutils.MiscAsserts.assertThrows;
 import static com.android.testutils.ParcelUtils.assertParcelSane;
 import static com.android.testutils.ParcelUtils.assertParcelingIsLossless;
-import static com.android.testutils.ParcelUtils.parcelingRoundTrip;
 
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
@@ -62,13 +64,13 @@
 import static org.junit.Assert.fail;
 import static org.junit.Assume.assumeTrue;
 
-import android.net.wifi.WifiInfo;
 import android.net.wifi.aware.DiscoverySession;
 import android.net.wifi.aware.PeerHandle;
 import android.net.wifi.aware.WifiAwareNetworkSpecifier;
 import android.os.Build;
 import android.test.suitebuilder.annotation.SmallTest;
 import android.util.ArraySet;
+import android.util.Range;
 
 import androidx.test.runner.AndroidJUnit4;
 
@@ -240,73 +242,95 @@
     @Test
     public void testSetUids() {
         final NetworkCapabilities netCap = new NetworkCapabilities();
-        final Set<UidRange> uids = new ArraySet<>();
-        uids.add(new UidRange(50, 100));
-        uids.add(new UidRange(3000, 4000));
-        netCap.setUids(uids);
-        assertTrue(netCap.appliesToUid(50));
-        assertTrue(netCap.appliesToUid(80));
-        assertTrue(netCap.appliesToUid(100));
+        // Null uids match all UIDs
+        netCap.setUids(null);
+        assertTrue(netCap.appliesToUid(10));
+        assertTrue(netCap.appliesToUid(200));
         assertTrue(netCap.appliesToUid(3000));
-        assertTrue(netCap.appliesToUid(3001));
-        assertFalse(netCap.appliesToUid(10));
-        assertFalse(netCap.appliesToUid(25));
-        assertFalse(netCap.appliesToUid(49));
-        assertFalse(netCap.appliesToUid(101));
-        assertFalse(netCap.appliesToUid(2000));
-        assertFalse(netCap.appliesToUid(100000));
-
+        assertTrue(netCap.appliesToUid(10010));
         assertTrue(netCap.appliesToUidRange(new UidRange(50, 100)));
         assertTrue(netCap.appliesToUidRange(new UidRange(70, 72)));
         assertTrue(netCap.appliesToUidRange(new UidRange(3500, 3912)));
-        assertFalse(netCap.appliesToUidRange(new UidRange(1, 100)));
-        assertFalse(netCap.appliesToUidRange(new UidRange(49, 100)));
-        assertFalse(netCap.appliesToUidRange(new UidRange(1, 10)));
-        assertFalse(netCap.appliesToUidRange(new UidRange(60, 101)));
-        assertFalse(netCap.appliesToUidRange(new UidRange(60, 3400)));
-
-        NetworkCapabilities netCap2 = new NetworkCapabilities();
-        // A new netcap object has null UIDs, so anything will satisfy it.
-        assertTrue(netCap2.satisfiedByUids(netCap));
-        // Still not equal though.
-        assertFalse(netCap2.equalsUids(netCap));
-        netCap2.setUids(uids);
-        assertTrue(netCap2.satisfiedByUids(netCap));
-        assertTrue(netCap.equalsUids(netCap2));
-        assertTrue(netCap2.equalsUids(netCap));
-
-        uids.add(new UidRange(600, 700));
-        netCap2.setUids(uids);
-        assertFalse(netCap2.satisfiedByUids(netCap));
-        assertFalse(netCap.appliesToUid(650));
-        assertTrue(netCap2.appliesToUid(650));
-        netCap.combineCapabilities(netCap2);
-        assertTrue(netCap2.satisfiedByUids(netCap));
-        assertTrue(netCap.appliesToUid(650));
-        assertFalse(netCap.appliesToUid(500));
-
-        assertTrue(new NetworkCapabilities().satisfiedByUids(netCap));
-        netCap.combineCapabilities(new NetworkCapabilities());
-        assertTrue(netCap.appliesToUid(500));
         assertTrue(netCap.appliesToUidRange(new UidRange(1, 100000)));
-        assertFalse(netCap2.appliesToUid(500));
-        assertFalse(netCap2.appliesToUidRange(new UidRange(1, 100000)));
-        assertTrue(new NetworkCapabilities().satisfiedByUids(netCap));
+
+        if (isAtLeastS()) {
+            final Set<Range<Integer>> uids = new ArraySet<>();
+            uids.add(uidRange(50, 100));
+            uids.add(uidRange(3000, 4000));
+            netCap.setUids(uids);
+            assertTrue(netCap.appliesToUid(50));
+            assertTrue(netCap.appliesToUid(80));
+            assertTrue(netCap.appliesToUid(100));
+            assertTrue(netCap.appliesToUid(3000));
+            assertTrue(netCap.appliesToUid(3001));
+            assertFalse(netCap.appliesToUid(10));
+            assertFalse(netCap.appliesToUid(25));
+            assertFalse(netCap.appliesToUid(49));
+            assertFalse(netCap.appliesToUid(101));
+            assertFalse(netCap.appliesToUid(2000));
+            assertFalse(netCap.appliesToUid(100000));
+
+            assertTrue(netCap.appliesToUidRange(new UidRange(50, 100)));
+            assertTrue(netCap.appliesToUidRange(new UidRange(70, 72)));
+            assertTrue(netCap.appliesToUidRange(new UidRange(3500, 3912)));
+            assertFalse(netCap.appliesToUidRange(new UidRange(1, 100)));
+            assertFalse(netCap.appliesToUidRange(new UidRange(49, 100)));
+            assertFalse(netCap.appliesToUidRange(new UidRange(1, 10)));
+            assertFalse(netCap.appliesToUidRange(new UidRange(60, 101)));
+            assertFalse(netCap.appliesToUidRange(new UidRange(60, 3400)));
+
+            NetworkCapabilities netCap2 = new NetworkCapabilities();
+            // A new netcap object has null UIDs, so anything will satisfy it.
+            assertTrue(netCap2.satisfiedByUids(netCap));
+            // Still not equal though.
+            assertFalse(netCap2.equalsUids(netCap));
+            netCap2.setUids(uids);
+            assertTrue(netCap2.satisfiedByUids(netCap));
+            assertTrue(netCap.equalsUids(netCap2));
+            assertTrue(netCap2.equalsUids(netCap));
+
+            uids.add(uidRange(600, 700));
+            netCap2.setUids(uids);
+            assertFalse(netCap2.satisfiedByUids(netCap));
+            assertFalse(netCap.appliesToUid(650));
+            assertTrue(netCap2.appliesToUid(650));
+            netCap.combineCapabilities(netCap2);
+            assertTrue(netCap2.satisfiedByUids(netCap));
+            assertTrue(netCap.appliesToUid(650));
+            assertFalse(netCap.appliesToUid(500));
+
+            assertTrue(new NetworkCapabilities().satisfiedByUids(netCap));
+            netCap.combineCapabilities(new NetworkCapabilities());
+            assertTrue(netCap.appliesToUid(500));
+            assertTrue(netCap.appliesToUidRange(new UidRange(1, 100000)));
+            assertFalse(netCap2.appliesToUid(500));
+            assertFalse(netCap2.appliesToUidRange(new UidRange(1, 100000)));
+            assertTrue(new NetworkCapabilities().satisfiedByUids(netCap));
+
+            // Null uids satisfies everything.
+            netCap.setUids(null);
+            assertTrue(netCap2.satisfiedByUids(netCap));
+            assertTrue(netCap.satisfiedByUids(netCap2));
+            netCap2.setUids(null);
+            assertTrue(netCap2.satisfiedByUids(netCap));
+            assertTrue(netCap.satisfiedByUids(netCap2));
+        }
     }
 
     @Test
     public void testParcelNetworkCapabilities() {
-        final Set<UidRange> uids = new ArraySet<>();
-        uids.add(new UidRange(50, 100));
-        uids.add(new UidRange(3000, 4000));
+        final Set<Range<Integer>> uids = new ArraySet<>();
+        uids.add(uidRange(50, 100));
+        uids.add(uidRange(3000, 4000));
         final NetworkCapabilities netCap = new NetworkCapabilities()
             .addCapability(NET_CAPABILITY_INTERNET)
-            .setUids(uids)
             .addCapability(NET_CAPABILITY_EIMS)
             .addCapability(NET_CAPABILITY_NOT_METERED);
         if (isAtLeastS()) {
             netCap.setSubIds(Set.of(TEST_SUBID1, TEST_SUBID2));
-        } else if (isAtLeastR()) {
+            netCap.setUids(uids);
+        }
+        if (isAtLeastR()) {
             netCap.setOwnerUid(123);
             netCap.setAdministratorUids(new int[] {5, 11});
         }
@@ -330,55 +354,6 @@
         testParcelSane(netCap);
     }
 
-    private NetworkCapabilities createNetworkCapabilitiesWithWifiInfo() {
-        // uses a real WifiInfo to test parceling of sensitive data.
-        final WifiInfo wifiInfo = new WifiInfo.Builder()
-                .setSsid("sssid1234".getBytes())
-                .setBssid("00:11:22:33:44:55")
-                .build();
-        return new NetworkCapabilities()
-                .addCapability(NET_CAPABILITY_INTERNET)
-                .addCapability(NET_CAPABILITY_EIMS)
-                .addCapability(NET_CAPABILITY_NOT_METERED)
-                .setSSID(TEST_SSID)
-                .setTransportInfo(wifiInfo)
-                .setRequestorPackageName("com.android.test")
-                .setRequestorUid(9304);
-    }
-
-    @Test
-    public void testParcelNetworkCapabilitiesWithLocationSensitiveFields() {
-        assumeTrue(isAtLeastS());
-
-        final NetworkCapabilities netCap = createNetworkCapabilitiesWithWifiInfo();
-        final NetworkCapabilities netCapWithLocationSensitiveFields =
-                new NetworkCapabilities(netCap, true);
-
-        assertParcelingIsLossless(netCapWithLocationSensitiveFields);
-        testParcelSane(netCapWithLocationSensitiveFields);
-
-        assertEquals(netCapWithLocationSensitiveFields,
-                parcelingRoundTrip(netCapWithLocationSensitiveFields));
-    }
-
-    @Test
-    public void testParcelNetworkCapabilitiesWithoutLocationSensitiveFields() {
-        assumeTrue(isAtLeastS());
-
-        final NetworkCapabilities netCap = createNetworkCapabilitiesWithWifiInfo();
-        final NetworkCapabilities netCapWithoutLocationSensitiveFields =
-                new NetworkCapabilities(netCap, false);
-
-        final NetworkCapabilities sanitizedNetCap =
-                new NetworkCapabilities(netCapWithoutLocationSensitiveFields);
-        final WifiInfo sanitizedWifiInfo = new WifiInfo.Builder()
-                .setSsid(new byte[0])
-                .setBssid(WifiInfo.DEFAULT_MAC_ADDRESS)
-                .build();
-        sanitizedNetCap.setTransportInfo(sanitizedWifiInfo);
-        assertEquals(sanitizedNetCap, parcelingRoundTrip(netCapWithoutLocationSensitiveFields));
-    }
-
     private void testParcelSane(NetworkCapabilities cap) {
         if (isAtLeastS()) {
             assertParcelSane(cap, 17);
@@ -389,6 +364,45 @@
         }
     }
 
+    private static NetworkCapabilities createNetworkCapabilitiesWithTransportInfo() {
+        return new NetworkCapabilities()
+                .addCapability(NET_CAPABILITY_INTERNET)
+                .addCapability(NET_CAPABILITY_EIMS)
+                .addCapability(NET_CAPABILITY_NOT_METERED)
+                .setSSID(TEST_SSID)
+                .setTransportInfo(new TestTransportInfo())
+                .setRequestorPackageName("com.android.test")
+                .setRequestorUid(9304);
+    }
+
+    @Test
+    public void testNetworkCapabilitiesCopyWithNoRedactions() {
+        assumeTrue(isAtLeastS());
+
+        final NetworkCapabilities netCap = createNetworkCapabilitiesWithTransportInfo();
+        final NetworkCapabilities netCapWithNoRedactions =
+                new NetworkCapabilities(netCap, NetworkCapabilities.REDACT_NONE);
+        TestTransportInfo testTransportInfo =
+                (TestTransportInfo) netCapWithNoRedactions.getTransportInfo();
+        assertFalse(testTransportInfo.locationRedacted);
+        assertFalse(testTransportInfo.localMacAddressRedacted);
+        assertFalse(testTransportInfo.settingsRedacted);
+    }
+
+    @Test
+    public void testNetworkCapabilitiesCopyWithoutLocationSensitiveFields() {
+        assumeTrue(isAtLeastS());
+
+        final NetworkCapabilities netCap = createNetworkCapabilitiesWithTransportInfo();
+        final NetworkCapabilities netCapWithNoRedactions =
+                new NetworkCapabilities(netCap, REDACT_FOR_ACCESS_FINE_LOCATION);
+        TestTransportInfo testTransportInfo =
+                (TestTransportInfo) netCapWithNoRedactions.getTransportInfo();
+        assertTrue(testTransportInfo.locationRedacted);
+        assertFalse(testTransportInfo.localMacAddressRedacted);
+        assertFalse(testTransportInfo.settingsRedacted);
+    }
+
     @Test
     public void testOemPaid() {
         NetworkCapabilities nc = new NetworkCapabilities();
@@ -518,11 +532,22 @@
         assertFalse(nc1.equalsNetCapabilities(nc2));
         nc2.addUnwantedCapability(NET_CAPABILITY_INTERNET);
         assertTrue(nc1.equalsNetCapabilities(nc2));
+        if (isAtLeastS()) {
+            // Remove a required capability doesn't affect unwanted capabilities.
+            // This is a behaviour change from S.
+            nc1.removeCapability(NET_CAPABILITY_INTERNET);
+            assertTrue(nc1.equalsNetCapabilities(nc2));
 
-        nc1.removeCapability(NET_CAPABILITY_INTERNET);
-        assertFalse(nc1.equalsNetCapabilities(nc2));
-        nc2.removeCapability(NET_CAPABILITY_INTERNET);
-        assertTrue(nc1.equalsNetCapabilities(nc2));
+            nc1.removeUnwantedCapability(NET_CAPABILITY_INTERNET);
+            assertFalse(nc1.equalsNetCapabilities(nc2));
+            nc2.removeUnwantedCapability(NET_CAPABILITY_INTERNET);
+            assertTrue(nc1.equalsNetCapabilities(nc2));
+        } else {
+            nc1.removeCapability(NET_CAPABILITY_INTERNET);
+            assertFalse(nc1.equalsNetCapabilities(nc2));
+            nc2.removeCapability(NET_CAPABILITY_INTERNET);
+            assertTrue(nc1.equalsNetCapabilities(nc2));
+        }
     }
 
     @Test
@@ -540,12 +565,16 @@
         assertFalse(nc1.satisfiedByNetworkCapabilities(nc2));
     }
 
-    private ArraySet<UidRange> uidRange(int from, int to) {
-        final ArraySet<UidRange> range = new ArraySet<>(1);
-        range.add(new UidRange(from, to));
+    private ArraySet<Range<Integer>> uidRanges(int from, int to) {
+        final ArraySet<Range<Integer>> range = new ArraySet<>(1);
+        range.add(uidRange(from, to));
         return range;
     }
 
+    private Range<Integer> uidRange(int from, int to) {
+        return new Range<Integer>(from, to);
+    }
+
     @Test @IgnoreUpTo(Build.VERSION_CODES.Q)
     public void testSetAdministratorUids() {
         NetworkCapabilities nc =
@@ -579,11 +608,21 @@
         // This will effectively move NOT_ROAMING capability from required to unwanted for nc1.
         nc1.addUnwantedCapability(NET_CAPABILITY_NOT_ROAMING);
 
-        nc2.combineCapabilities(nc1);
-        // We will get this capability in both requested and unwanted lists thus this request
-        // will never be satisfied.
-        assertTrue(nc2.hasCapability(NET_CAPABILITY_NOT_ROAMING));
-        assertTrue(nc2.hasUnwantedCapability(NET_CAPABILITY_NOT_ROAMING));
+        if (isAtLeastS()) {
+            // From S, it is not allowed to have the same capability in both wanted and
+            // unwanted list.
+            assertThrows(IllegalArgumentException.class, () -> nc2.combineCapabilities(nc1));
+            // Remove unwanted capability to continue other tests.
+            nc1.removeUnwantedCapability(NET_CAPABILITY_NOT_ROAMING);
+        } else {
+            nc2.combineCapabilities(nc1);
+            // We will get this capability in both requested and unwanted lists thus this request
+            // will never be satisfied.
+            assertTrue(nc2.hasCapability(NET_CAPABILITY_NOT_ROAMING));
+            assertTrue(nc2.hasUnwantedCapability(NET_CAPABILITY_NOT_ROAMING));
+            // For R or below, remove unwanted capability via removeCapability.
+            nc1.removeCapability(NET_CAPABILITY_NOT_ROAMING);
+        }
 
         nc1.setSSID(TEST_SSID);
         nc2.combineCapabilities(nc1);
@@ -601,23 +640,23 @@
         } catch (IllegalStateException expected) {}
         nc1.setSSID(TEST_SSID);
 
-        nc1.setUids(uidRange(10, 13));
-        assertNotEquals(nc1, nc2);
-        nc2.combineCapabilities(nc1);  // Everything + 10~13 is still everything.
-        assertNotEquals(nc1, nc2);
-        nc1.combineCapabilities(nc2);  // 10~13 + everything is everything.
-        assertEquals(nc1, nc2);
-        nc1.setUids(uidRange(10, 13));
-        nc2.setUids(uidRange(20, 23));
-        assertNotEquals(nc1, nc2);
-        nc1.combineCapabilities(nc2);
-        assertTrue(nc1.appliesToUid(12));
-        assertFalse(nc2.appliesToUid(12));
-        assertTrue(nc1.appliesToUid(22));
-        assertTrue(nc2.appliesToUid(22));
-
-        // Verify the subscription id list can be combined only when they are equal.
         if (isAtLeastS()) {
+            nc1.setUids(uidRanges(10, 13));
+            assertNotEquals(nc1, nc2);
+            nc2.combineCapabilities(nc1);  // Everything + 10~13 is still everything.
+            assertNotEquals(nc1, nc2);
+            nc1.combineCapabilities(nc2);  // 10~13 + everything is everything.
+            assertEquals(nc1, nc2);
+            nc1.setUids(uidRanges(10, 13));
+            nc2.setUids(uidRanges(20, 23));
+            assertNotEquals(nc1, nc2);
+            nc1.combineCapabilities(nc2);
+            assertTrue(nc1.appliesToUid(12));
+            assertFalse(nc2.appliesToUid(12));
+            assertTrue(nc1.appliesToUid(22));
+            assertTrue(nc2.appliesToUid(22));
+
+            // Verify the subscription id list can be combined only when they are equal.
             nc1.setSubIds(Set.of(TEST_SUBID1, TEST_SUBID2));
             nc2.setSubIds(Set.of(TEST_SUBID2));
             assertThrows(IllegalStateException.class, () -> nc2.combineCapabilities(nc1));
@@ -773,8 +812,11 @@
         if (isAtLeastR()) {
             assertTrue(DIFFERENT_TEST_SSID.equals(nc2.getSsid()));
         }
-
-        nc1.setUids(uidRange(10, 13));
+        if (isAtLeastS()) {
+            nc1.setUids(uidRanges(10, 13));
+        } else {
+            nc1.setUids(null);
+        }
         nc2.set(nc1);  // Overwrites, as opposed to combineCapabilities
         assertEquals(nc1, nc2);
 
@@ -1033,18 +1075,42 @@
         } catch (IllegalArgumentException e) { }
     }
 
-    private class TestTransportInfo implements TransportInfo {
+    /**
+     * Test TransportInfo to verify redaction mechanism.
+     */
+    private static class TestTransportInfo implements TransportInfo {
+        public final boolean locationRedacted;
+        public final boolean localMacAddressRedacted;
+        public final boolean settingsRedacted;
+
         TestTransportInfo() {
+            locationRedacted = false;
+            localMacAddressRedacted = false;
+            settingsRedacted = false;
+        }
+
+        TestTransportInfo(boolean locationRedacted,
+                boolean localMacAddressRedacted,
+                boolean settingsRedacted) {
+            this.locationRedacted = locationRedacted;
+            this.localMacAddressRedacted =
+                    localMacAddressRedacted;
+            this.settingsRedacted = settingsRedacted;
         }
 
         @Override
-        public TransportInfo makeCopy(boolean parcelLocationSensitiveFields) {
-            return this;
+        public TransportInfo makeCopy(@NetworkCapabilities.RedactionType long redactions) {
+            return new TestTransportInfo(
+                    (redactions & NetworkCapabilities.REDACT_FOR_ACCESS_FINE_LOCATION) != 0,
+                    (redactions & REDACT_FOR_LOCAL_MAC_ADDRESS) != 0,
+                    (redactions & REDACT_FOR_NETWORK_SETTINGS) != 0
+            );
         }
 
         @Override
-        public boolean hasLocationSensitiveFields() {
-            return false;
+        public @NetworkCapabilities.RedactionType long getApplicableRedactions() {
+            return REDACT_FOR_ACCESS_FINE_LOCATION | REDACT_FOR_LOCAL_MAC_ADDRESS
+                    | REDACT_FOR_NETWORK_SETTINGS;
         }
     }
 
@@ -1055,7 +1121,7 @@
         final int requestUid = 10100;
         final int[] administratorUids = {ownerUid, 10001};
         final TelephonyNetworkSpecifier specifier = new TelephonyNetworkSpecifier(1);
-        final TestTransportInfo transportInfo = new TestTransportInfo();
+        final TransportInfo transportInfo = new TransportInfo() {};
         final String ssid = "TEST_SSID";
         final String packageName = "com.google.test.networkcapabilities";
         final NetworkCapabilities nc = new NetworkCapabilities.Builder()
diff --git a/tests/net/integration/src/com/android/server/net/integrationtests/ConnectivityServiceIntegrationTest.kt b/tests/net/integration/src/com/android/server/net/integrationtests/ConnectivityServiceIntegrationTest.kt
index db49e0b..b6e4274 100644
--- a/tests/net/integration/src/com/android/server/net/integrationtests/ConnectivityServiceIntegrationTest.kt
+++ b/tests/net/integration/src/com/android/server/net/integrationtests/ConnectivityServiceIntegrationTest.kt
@@ -73,7 +73,7 @@
 import kotlin.test.fail
 
 const val SERVICE_BIND_TIMEOUT_MS = 5_000L
-const val TEST_TIMEOUT_MS = 1_000L
+const val TEST_TIMEOUT_MS = 10_000L
 
 /**
  * Test that exercises an instrumented version of ConnectivityService against an instrumented
diff --git a/tests/net/integration/util/com/android/server/NetworkAgentWrapper.java b/tests/net/integration/util/com/android/server/NetworkAgentWrapper.java
index 01d8186..e2d43cb 100644
--- a/tests/net/integration/util/com/android/server/NetworkAgentWrapper.java
+++ b/tests/net/integration/util/com/android/server/NetworkAgentWrapper.java
@@ -44,11 +44,11 @@
 import android.net.NetworkSpecifier;
 import android.net.QosFilter;
 import android.net.SocketKeepalive;
-import android.net.UidRange;
 import android.os.ConditionVariable;
 import android.os.HandlerThread;
 import android.os.Message;
 import android.util.Log;
+import android.util.Range;
 
 import com.android.net.module.util.ArrayTrackRecord;
 import com.android.server.connectivity.ConnectivityConstants;
@@ -222,7 +222,7 @@
         mNetworkAgent.sendNetworkCapabilities(mNetworkCapabilities);
     }
 
-    public void setUids(Set<UidRange> uids) {
+    public void setUids(Set<Range<Integer>> uids) {
         mNetworkCapabilities.setUids(uids);
         mNetworkAgent.sendNetworkCapabilities(mNetworkCapabilities);
     }
diff --git a/tests/net/java/android/net/ConnectivityManagerTest.java b/tests/net/java/android/net/ConnectivityManagerTest.java
index 6fc605e..6cbdd25 100644
--- a/tests/net/java/android/net/ConnectivityManagerTest.java
+++ b/tests/net/java/android/net/ConnectivityManagerTest.java
@@ -41,10 +41,10 @@
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
+import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.ArgumentMatchers.nullable;
 import static org.mockito.Mockito.any;
-import static org.mockito.Mockito.anyBoolean;
 import static org.mockito.Mockito.anyInt;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
@@ -64,6 +64,7 @@
 import android.os.Looper;
 import android.os.Message;
 import android.os.Messenger;
+import android.os.Process;
 
 import androidx.test.filters.SmallTest;
 import androidx.test.runner.AndroidJUnit4;
@@ -219,8 +220,8 @@
         ArgumentCaptor<Messenger> captor = ArgumentCaptor.forClass(Messenger.class);
 
         // register callback
-        when(mService.requestNetwork(any(), anyInt(), captor.capture(), anyInt(), any(), anyInt(),
-                anyInt(), any(), nullable(String.class))).thenReturn(request);
+        when(mService.requestNetwork(anyInt(), any(), anyInt(), captor.capture(), anyInt(), any(),
+                anyInt(), anyInt(), any(), nullable(String.class))).thenReturn(request);
         manager.requestNetwork(request, callback, handler);
 
         // callback triggers
@@ -247,8 +248,8 @@
         ArgumentCaptor<Messenger> captor = ArgumentCaptor.forClass(Messenger.class);
 
         // register callback
-        when(mService.requestNetwork(any(), anyInt(), captor.capture(), anyInt(), any(), anyInt(),
-                anyInt(), any(), nullable(String.class))).thenReturn(req1);
+        when(mService.requestNetwork(anyInt(), any(), anyInt(), captor.capture(), anyInt(), any(),
+                anyInt(), anyInt(), any(), nullable(String.class))).thenReturn(req1);
         manager.requestNetwork(req1, callback, handler);
 
         // callback triggers
@@ -265,8 +266,8 @@
         verify(callback, timeout(100).times(0)).onLosing(any(), anyInt());
 
         // callback can be registered again
-        when(mService.requestNetwork(any(), anyInt(), captor.capture(), anyInt(), any(), anyInt(),
-                anyInt(), any(), nullable(String.class))).thenReturn(req2);
+        when(mService.requestNetwork(anyInt(), any(), anyInt(), captor.capture(), anyInt(), any(),
+                anyInt(), anyInt(), any(), nullable(String.class))).thenReturn(req2);
         manager.requestNetwork(req2, callback, handler);
 
         // callback triggers
@@ -289,8 +290,8 @@
         info.targetSdkVersion = VERSION_CODES.N_MR1 + 1;
 
         when(mCtx.getApplicationInfo()).thenReturn(info);
-        when(mService.requestNetwork(any(), anyInt(), any(), anyInt(), any(), anyInt(), anyInt(),
-                any(), nullable(String.class))).thenReturn(request);
+        when(mService.requestNetwork(anyInt(), any(), anyInt(), any(), anyInt(), any(), anyInt(),
+                anyInt(), any(), nullable(String.class))).thenReturn(request);
 
         Handler handler = new Handler(Looper.getMainLooper());
         manager.requestNetwork(request, callback, handler);
@@ -357,34 +358,40 @@
         final NetworkCallback callback = new ConnectivityManager.NetworkCallback();
 
         manager.requestNetwork(request, callback);
-        verify(mService).requestNetwork(eq(request.networkCapabilities),
+        verify(mService).requestNetwork(eq(Process.INVALID_UID), eq(request.networkCapabilities),
                 eq(REQUEST.ordinal()), any(), anyInt(), any(), eq(TYPE_NONE), anyInt(),
                 eq(testPkgName), eq(testAttributionTag));
         reset(mService);
 
         // Verify that register network callback does not calls requestNetwork at all.
         manager.registerNetworkCallback(request, callback);
-        verify(mService, never()).requestNetwork(any(), anyInt(), any(), anyInt(), any(), anyInt(),
-                anyInt(), any(), any());
+        verify(mService, never()).requestNetwork(anyInt(), any(), anyInt(), any(), anyInt(), any(),
+                anyInt(), anyInt(), any(), any());
         verify(mService).listenForNetwork(eq(request.networkCapabilities), any(), any(), anyInt(),
                 eq(testPkgName), eq(testAttributionTag));
         reset(mService);
 
+        Handler handler = new Handler(ConnectivityThread.getInstanceLooper());
+
         manager.registerDefaultNetworkCallback(callback);
-        verify(mService).requestNetwork(eq(null),
+        verify(mService).requestNetwork(eq(Process.INVALID_UID), eq(null),
                 eq(TRACK_DEFAULT.ordinal()), any(), anyInt(), any(), eq(TYPE_NONE), anyInt(),
                 eq(testPkgName), eq(testAttributionTag));
         reset(mService);
 
-        Handler handler = new Handler(ConnectivityThread.getInstanceLooper());
+        manager.registerDefaultNetworkCallbackAsUid(42, callback, handler);
+        verify(mService).requestNetwork(eq(42), eq(null),
+                eq(TRACK_DEFAULT.ordinal()), any(), anyInt(), any(), eq(TYPE_NONE), anyInt(),
+                eq(testPkgName), eq(testAttributionTag));
+
         manager.requestBackgroundNetwork(request, handler, callback);
-        verify(mService).requestNetwork(eq(request.networkCapabilities),
+        verify(mService).requestNetwork(eq(Process.INVALID_UID), eq(request.networkCapabilities),
                 eq(BACKGROUND_REQUEST.ordinal()), any(), anyInt(), any(), eq(TYPE_NONE), anyInt(),
                 eq(testPkgName), eq(testAttributionTag));
         reset(mService);
 
         manager.registerSystemDefaultNetworkCallback(callback, handler);
-        verify(mService).requestNetwork(eq(null),
+        verify(mService).requestNetwork(eq(Process.INVALID_UID), eq(null),
                 eq(TRACK_SYSTEM_DEFAULT.ordinal()), any(), anyInt(), any(), eq(TYPE_NONE), anyInt(),
                 eq(testPkgName), eq(testAttributionTag));
         reset(mService);
diff --git a/tests/net/java/com/android/server/ConnectivityServiceTest.java b/tests/net/java/com/android/server/ConnectivityServiceTest.java
index 2a44add..10b2f1e 100644
--- a/tests/net/java/com/android/server/ConnectivityServiceTest.java
+++ b/tests/net/java/com/android/server/ConnectivityServiceTest.java
@@ -30,10 +30,13 @@
 import static android.content.pm.PackageManager.PERMISSION_DENIED;
 import static android.content.pm.PackageManager.PERMISSION_GRANTED;
 import static android.net.ConnectivityManager.ACTION_CAPTIVE_PORTAL_SIGN_IN;
+import static android.net.ConnectivityManager.BLOCKED_METERED_REASON_DATA_SAVER;
+import static android.net.ConnectivityManager.BLOCKED_METERED_REASON_USER_RESTRICTED;
+import static android.net.ConnectivityManager.BLOCKED_REASON_BATTERY_SAVER;
+import static android.net.ConnectivityManager.BLOCKED_REASON_NONE;
 import static android.net.ConnectivityManager.CONNECTIVITY_ACTION;
 import static android.net.ConnectivityManager.EXTRA_NETWORK_INFO;
 import static android.net.ConnectivityManager.EXTRA_NETWORK_TYPE;
-import static android.net.ConnectivityManager.NETID_UNSET;
 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_OFF;
 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_OPPORTUNISTIC;
 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_PROVIDER_HOSTNAME;
@@ -82,15 +85,15 @@
 import static android.net.NetworkCapabilities.NET_CAPABILITY_VALIDATED;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_WIFI_P2P;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_XCAP;
+import static android.net.NetworkCapabilities.REDACT_FOR_ACCESS_FINE_LOCATION;
+import static android.net.NetworkCapabilities.REDACT_FOR_LOCAL_MAC_ADDRESS;
+import static android.net.NetworkCapabilities.REDACT_FOR_NETWORK_SETTINGS;
+import static android.net.NetworkCapabilities.REDACT_NONE;
 import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR;
 import static android.net.NetworkCapabilities.TRANSPORT_ETHERNET;
 import static android.net.NetworkCapabilities.TRANSPORT_VPN;
 import static android.net.NetworkCapabilities.TRANSPORT_WIFI;
 import static android.net.NetworkCapabilities.TRANSPORT_WIFI_AWARE;
-import static android.net.NetworkPolicyManager.BLOCKED_METERED_REASON_DATA_SAVER;
-import static android.net.NetworkPolicyManager.BLOCKED_METERED_REASON_USER_RESTRICTED;
-import static android.net.NetworkPolicyManager.BLOCKED_REASON_BATTERY_SAVER;
-import static android.net.NetworkPolicyManager.BLOCKED_REASON_NONE;
 import static android.net.OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PAID;
 import static android.net.OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PAID_NO_FALLBACK;
 import static android.net.OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PAID_ONLY;
@@ -237,7 +240,6 @@
 import android.net.shared.NetworkMonitorUtils;
 import android.net.shared.PrivateDnsConfig;
 import android.net.util.MultinetworkPolicyTracker;
-import android.net.wifi.WifiInfo;
 import android.os.BadParcelableException;
 import android.os.Binder;
 import android.os.Build;
@@ -263,11 +265,13 @@
 import android.system.Os;
 import android.telephony.TelephonyManager;
 import android.telephony.data.EpsBearerQosSessionAttributes;
+import android.telephony.data.NrQosSessionAttributes;
 import android.test.mock.MockContentResolver;
 import android.text.TextUtils;
 import android.util.ArraySet;
 import android.util.Log;
 import android.util.Pair;
+import android.util.Range;
 import android.util.SparseArray;
 
 import androidx.test.InstrumentationRegistry;
@@ -1158,7 +1162,7 @@
         }
 
         public void setUids(Set<UidRange> uids) {
-            mNetworkCapabilities.setUids(uids);
+            mNetworkCapabilities.setUids(UidRange.toIntRanges(uids));
             if (mAgentRegistered) {
                 mMockNetworkAgent.setNetworkCapabilities(mNetworkCapabilities, true);
             }
@@ -1174,11 +1178,6 @@
         }
 
         @Override
-        public int getNetId() {
-            return (mMockNetworkAgent == null) ? NETID_UNSET : mMockNetworkAgent.getNetwork().netId;
-        }
-
-        @Override
         public int getActiveVpnType() {
             return mVpnType;
         }
@@ -1202,10 +1201,10 @@
                     mNetworkCapabilities);
             mMockNetworkAgent.waitForIdle(TIMEOUT_MS);
 
-            verify(mMockNetd, times(1)).networkAddUidRanges(eq(mMockVpn.getNetId()),
+            verify(mMockNetd, times(1)).networkAddUidRanges(eq(mMockVpn.getNetwork().getNetId()),
                     eq(toUidRangeStableParcels(uids)));
             verify(mMockNetd, never())
-                    .networkRemoveUidRanges(eq(mMockVpn.getNetId()), any());
+                    .networkRemoveUidRanges(eq(mMockVpn.getNetwork().getNetId()), any());
             mAgentRegistered = true;
             updateState(NetworkInfo.DetailedState.CONNECTED, "registerAgent");
             mNetworkCapabilities.set(mMockNetworkAgent.getNetworkCapabilities());
@@ -1447,7 +1446,26 @@
         });
     }
 
+    private interface ExceptionalRunnable {
+        void run() throws Exception;
+    }
+
+    private void withPermission(String permission, ExceptionalRunnable r) throws Exception {
+        if (mServiceContext.checkCallingOrSelfPermission(permission) == PERMISSION_GRANTED) {
+            r.run();
+            return;
+        }
+        try {
+            mServiceContext.setPermission(permission, PERMISSION_GRANTED);
+            r.run();
+        } finally {
+            mServiceContext.setPermission(permission, PERMISSION_DENIED);
+        }
+    }
+
     private static final int PRIMARY_USER = 0;
+    private static final UidRange PRIMARY_UIDRANGE =
+            UidRange.createForUser(UserHandle.of(PRIMARY_USER));
     private static final int APP1_UID = UserHandle.getUid(PRIMARY_USER, 10100);
     private static final int APP2_UID = UserHandle.getUid(PRIMARY_USER, 10101);
     private static final int VPN_UID = UserHandle.getUid(PRIMARY_USER, 10043);
@@ -3807,8 +3825,9 @@
             NetworkCapabilities networkCapabilities = new NetworkCapabilities();
             networkCapabilities.addTransportType(TRANSPORT_WIFI)
                     .setNetworkSpecifier(new MatchAllNetworkSpecifier());
-            mService.requestNetwork(networkCapabilities, NetworkRequest.Type.REQUEST.ordinal(),
-                    null, 0, null, ConnectivityManager.TYPE_WIFI, NetworkCallback.FLAG_NONE,
+            mService.requestNetwork(Process.INVALID_UID, networkCapabilities,
+                    NetworkRequest.Type.REQUEST.ordinal(), null, 0, null,
+                    ConnectivityManager.TYPE_WIFI, NetworkCallback.FLAG_NONE,
                     mContext.getPackageName(), getAttributionTag());
         });
 
@@ -4037,7 +4056,7 @@
     }
 
     @Test
-    public void testRegisterSystemDefaultCallbackRequiresNetworkSettings() throws Exception {
+    public void testRegisterPrivilegedDefaultCallbacksRequireNetworkSettings() throws Exception {
         mCellNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_CELLULAR);
         mCellNetworkAgent.connect(false /* validated */);
 
@@ -4046,12 +4065,19 @@
         assertThrows(SecurityException.class,
                 () -> mCm.registerSystemDefaultNetworkCallback(callback, handler));
         callback.assertNoCallback();
+        assertThrows(SecurityException.class,
+                () -> mCm.registerDefaultNetworkCallbackAsUid(APP1_UID, callback, handler));
+        callback.assertNoCallback();
 
         mServiceContext.setPermission(Manifest.permission.NETWORK_SETTINGS,
                 PERMISSION_GRANTED);
         mCm.registerSystemDefaultNetworkCallback(callback, handler);
         callback.expectAvailableCallbacksUnvalidated(mCellNetworkAgent);
         mCm.unregisterNetworkCallback(callback);
+
+        mCm.registerDefaultNetworkCallbackAsUid(APP1_UID, callback, handler);
+        callback.expectAvailableCallbacksUnvalidated(mCellNetworkAgent);
+        mCm.unregisterNetworkCallback(callback);
     }
 
     private void setCaptivePortalMode(int mode) {
@@ -6946,7 +6972,7 @@
         final int uid = Process.myUid();
         NetworkCapabilities nc = mCm.getNetworkCapabilities(mMockVpn.getNetwork());
         assertNotNull("nc=" + nc, nc.getUids());
-        assertEquals(nc.getUids(), uidRangesForUids(uid));
+        assertEquals(nc.getUids(), UidRange.toIntRanges(uidRangesForUids(uid)));
         assertVpnTransportInfo(nc, VpnManager.TYPE_VPN_SERVICE);
 
         // Set an underlying network and expect to see the VPN transports change.
@@ -6971,10 +6997,13 @@
 
         // Expect that the VPN UID ranges contain both |uid| and the UID range for the newly-added
         // restricted user.
+        final UidRange rRange = UidRange.createForUser(UserHandle.of(RESTRICTED_USER));
+        final Range<Integer> restrictUidRange = new Range<Integer>(rRange.start, rRange.stop);
+        final Range<Integer> singleUidRange = new Range<Integer>(uid, uid);
         callback.expectCapabilitiesThat(mMockVpn, (caps)
                 -> caps.getUids().size() == 2
-                && caps.getUids().contains(new UidRange(uid, uid))
-                && caps.getUids().contains(createUidRange(RESTRICTED_USER))
+                && caps.getUids().contains(singleUidRange)
+                && caps.getUids().contains(restrictUidRange)
                 && caps.hasTransport(TRANSPORT_VPN)
                 && caps.hasTransport(TRANSPORT_WIFI));
 
@@ -6983,8 +7012,8 @@
         callback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
         callback.expectCapabilitiesThat(mMockVpn, (caps)
                 -> caps.getUids().size() == 2
-                && caps.getUids().contains(new UidRange(uid, uid))
-                && caps.getUids().contains(createUidRange(RESTRICTED_USER))
+                && caps.getUids().contains(singleUidRange)
+                && caps.getUids().contains(restrictUidRange)
                 && caps.hasTransport(TRANSPORT_VPN)
                 && !caps.hasTransport(TRANSPORT_WIFI));
 
@@ -6998,7 +7027,7 @@
         // change made just before that (i.e., loss of TRANSPORT_WIFI) is preserved.
         callback.expectCapabilitiesThat(mMockVpn, (caps)
                 -> caps.getUids().size() == 1
-                && caps.getUids().contains(new UidRange(uid, uid))
+                && caps.getUids().contains(singleUidRange)
                 && caps.hasTransport(TRANSPORT_VPN)
                 && !caps.hasTransport(TRANSPORT_WIFI));
     }
@@ -7248,6 +7277,20 @@
         mMockVpn.disconnect();
     }
 
+    private class DetailedBlockedStatusCallback extends TestNetworkCallback {
+        public void expectAvailableThenValidatedCallbacks(HasNetwork n, int blockedStatus) {
+            super.expectAvailableThenValidatedCallbacks(n.getNetwork(), blockedStatus, TIMEOUT_MS);
+        }
+        public void expectBlockedStatusCallback(HasNetwork n, int blockedStatus) {
+            // This doesn't work:
+            // super.expectBlockedStatusCallback(blockedStatus, n.getNetwork());
+            super.expectBlockedStatusCallback(blockedStatus, n.getNetwork(), TIMEOUT_MS);
+        }
+        public void onBlockedStatusChanged(Network network, int blockedReasons) {
+            getHistory().add(new CallbackEntry.BlockedStatusInt(network, blockedReasons));
+        }
+    }
+
     @Test
     public void testNetworkBlockedStatus() throws Exception {
         final TestNetworkCallback cellNetworkCallback = new TestNetworkCallback();
@@ -7255,11 +7298,16 @@
                 .addTransportType(TRANSPORT_CELLULAR)
                 .build();
         mCm.registerNetworkCallback(cellRequest, cellNetworkCallback);
+        final DetailedBlockedStatusCallback detailedCallback = new DetailedBlockedStatusCallback();
+        mCm.registerNetworkCallback(cellRequest, detailedCallback);
+
         mockUidNetworkingBlocked();
 
         mCellNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_CELLULAR);
         mCellNetworkAgent.connect(true);
         cellNetworkCallback.expectAvailableThenValidatedCallbacks(mCellNetworkAgent);
+        detailedCallback.expectAvailableThenValidatedCallbacks(mCellNetworkAgent,
+                BLOCKED_REASON_NONE);
         assertEquals(mCellNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
         assertNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
@@ -7267,17 +7315,23 @@
 
         setBlockedReasonChanged(BLOCKED_REASON_BATTERY_SAVER);
         cellNetworkCallback.expectBlockedStatusCallback(true, mCellNetworkAgent);
+        detailedCallback.expectBlockedStatusCallback(mCellNetworkAgent,
+                BLOCKED_REASON_BATTERY_SAVER);
         assertNull(mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.BLOCKED);
         assertNetworkInfo(TYPE_MOBILE, DetailedState.BLOCKED);
         assertExtraInfoFromCmBlocked(mCellNetworkAgent);
 
-        // ConnectivityService should cache it not to invoke the callback again.
+        // If blocked state does not change but blocked reason does, the boolean callback is called.
+        // TODO: investigate de-duplicating.
         setBlockedReasonChanged(BLOCKED_METERED_REASON_USER_RESTRICTED);
-        cellNetworkCallback.assertNoCallback();
+        cellNetworkCallback.expectBlockedStatusCallback(true, mCellNetworkAgent);
+        detailedCallback.expectBlockedStatusCallback(mCellNetworkAgent,
+                BLOCKED_METERED_REASON_USER_RESTRICTED);
 
         setBlockedReasonChanged(BLOCKED_REASON_NONE);
         cellNetworkCallback.expectBlockedStatusCallback(false, mCellNetworkAgent);
+        detailedCallback.expectBlockedStatusCallback(mCellNetworkAgent, BLOCKED_REASON_NONE);
         assertEquals(mCellNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
         assertNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
@@ -7285,6 +7339,8 @@
 
         setBlockedReasonChanged(BLOCKED_METERED_REASON_DATA_SAVER);
         cellNetworkCallback.expectBlockedStatusCallback(true, mCellNetworkAgent);
+        detailedCallback.expectBlockedStatusCallback(mCellNetworkAgent,
+                BLOCKED_METERED_REASON_DATA_SAVER);
         assertNull(mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.BLOCKED);
         assertNetworkInfo(TYPE_MOBILE, DetailedState.BLOCKED);
@@ -7294,6 +7350,8 @@
         mCellNetworkAgent.addCapability(NET_CAPABILITY_NOT_METERED);
         cellNetworkCallback.expectCapabilitiesWith(NET_CAPABILITY_NOT_METERED, mCellNetworkAgent);
         cellNetworkCallback.expectBlockedStatusCallback(false, mCellNetworkAgent);
+        detailedCallback.expectCapabilitiesWith(NET_CAPABILITY_NOT_METERED, mCellNetworkAgent);
+        detailedCallback.expectBlockedStatusCallback(mCellNetworkAgent, BLOCKED_REASON_NONE);
         assertEquals(mCellNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
         assertNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
@@ -7303,6 +7361,10 @@
         cellNetworkCallback.expectCapabilitiesWithout(NET_CAPABILITY_NOT_METERED,
                 mCellNetworkAgent);
         cellNetworkCallback.expectBlockedStatusCallback(true, mCellNetworkAgent);
+        detailedCallback.expectCapabilitiesWithout(NET_CAPABILITY_NOT_METERED,
+                mCellNetworkAgent);
+        detailedCallback.expectBlockedStatusCallback(mCellNetworkAgent,
+                BLOCKED_METERED_REASON_DATA_SAVER);
         assertNull(mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.BLOCKED);
         assertNetworkInfo(TYPE_MOBILE, DetailedState.BLOCKED);
@@ -7310,6 +7372,7 @@
 
         setBlockedReasonChanged(BLOCKED_REASON_NONE);
         cellNetworkCallback.expectBlockedStatusCallback(false, mCellNetworkAgent);
+        detailedCallback.expectBlockedStatusCallback(mCellNetworkAgent, BLOCKED_REASON_NONE);
         assertEquals(mCellNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
         assertNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
@@ -7317,10 +7380,13 @@
 
         setBlockedReasonChanged(BLOCKED_REASON_NONE);
         cellNetworkCallback.assertNoCallback();
+        detailedCallback.assertNoCallback();
 
         // Restrict background data. Networking is not blocked because the network is unmetered.
         setBlockedReasonChanged(BLOCKED_METERED_REASON_DATA_SAVER);
         cellNetworkCallback.expectBlockedStatusCallback(true, mCellNetworkAgent);
+        detailedCallback.expectBlockedStatusCallback(mCellNetworkAgent,
+                BLOCKED_METERED_REASON_DATA_SAVER);
         assertNull(mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.BLOCKED);
         assertNetworkInfo(TYPE_MOBILE, DetailedState.BLOCKED);
@@ -7330,12 +7396,14 @@
 
         setBlockedReasonChanged(BLOCKED_REASON_NONE);
         cellNetworkCallback.expectBlockedStatusCallback(false, mCellNetworkAgent);
+        detailedCallback.expectBlockedStatusCallback(mCellNetworkAgent, BLOCKED_REASON_NONE);
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
         assertNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
         assertExtraInfoFromCmPresent(mCellNetworkAgent);
 
         setBlockedReasonChanged(BLOCKED_REASON_NONE);
         cellNetworkCallback.assertNoCallback();
+        detailedCallback.assertNoCallback();
         assertEquals(mCellNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
         assertNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
@@ -7478,6 +7546,13 @@
         final NetworkRequest vpnUidRequest = new NetworkRequest.Builder().build();
         registerNetworkCallbackAsUid(vpnUidRequest, vpnUidCallback, VPN_UID);
 
+        final TestNetworkCallback vpnUidDefaultCallback = new TestNetworkCallback();
+        registerDefaultNetworkCallbackAsUid(vpnUidDefaultCallback, VPN_UID);
+
+        final TestNetworkCallback vpnDefaultCallbackAsUid = new TestNetworkCallback();
+        mCm.registerDefaultNetworkCallbackAsUid(VPN_UID, vpnDefaultCallbackAsUid,
+                new Handler(ConnectivityThread.getInstanceLooper()));
+
         final int uid = Process.myUid();
         final int userId = UserHandle.getUserId(uid);
         final ArrayList<String> allowList = new ArrayList<>();
@@ -7496,6 +7571,8 @@
         callback.expectAvailableCallbacksUnvalidatedAndBlocked(mWiFiNetworkAgent);
         defaultCallback.expectAvailableCallbacksUnvalidatedAndBlocked(mWiFiNetworkAgent);
         vpnUidCallback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
+        vpnUidDefaultCallback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
+        vpnDefaultCallbackAsUid.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetworkForUid(VPN_UID));
         assertNull(mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_WIFI, DetailedState.BLOCKED);
@@ -7508,6 +7585,8 @@
         callback.expectBlockedStatusCallback(false, mWiFiNetworkAgent);
         defaultCallback.expectBlockedStatusCallback(false, mWiFiNetworkAgent);
         vpnUidCallback.assertNoCallback();
+        vpnUidDefaultCallback.assertNoCallback();
+        vpnDefaultCallbackAsUid.assertNoCallback();
         expectNetworkRejectNonSecureVpn(inOrder, false, firstHalf, secondHalf);
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetworkForUid(VPN_UID));
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetwork());
@@ -7522,6 +7601,8 @@
         callback.assertNoCallback();
         defaultCallback.assertNoCallback();
         vpnUidCallback.assertNoCallback();
+        vpnUidDefaultCallback.assertNoCallback();
+        vpnDefaultCallbackAsUid.assertNoCallback();
 
         // The following requires that the UID of this test package is greater than VPN_UID. This
         // is always true in practice because a plain AOSP build with no apps installed has almost
@@ -7542,6 +7623,8 @@
         callback.expectAvailableCallbacksUnvalidated(mCellNetworkAgent);
         defaultCallback.assertNoCallback();
         vpnUidCallback.expectAvailableCallbacksUnvalidated(mCellNetworkAgent);
+        vpnUidDefaultCallback.assertNoCallback();
+        vpnDefaultCallbackAsUid.assertNoCallback();
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetworkForUid(VPN_UID));
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_WIFI, DetailedState.CONNECTED);
@@ -7562,6 +7645,8 @@
         defaultCallback.expectBlockedStatusCallback(true, mWiFiNetworkAgent);
         assertBlockedCallbackInAnyOrder(callback, true, mWiFiNetworkAgent, mCellNetworkAgent);
         vpnUidCallback.assertNoCallback();
+        vpnUidDefaultCallback.assertNoCallback();
+        vpnDefaultCallbackAsUid.assertNoCallback();
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetworkForUid(VPN_UID));
         assertNull(mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_WIFI, DetailedState.BLOCKED);
@@ -7573,6 +7658,8 @@
         defaultCallback.expectBlockedStatusCallback(false, mWiFiNetworkAgent);
         assertBlockedCallbackInAnyOrder(callback, false, mWiFiNetworkAgent, mCellNetworkAgent);
         vpnUidCallback.assertNoCallback();
+        vpnUidDefaultCallback.assertNoCallback();
+        vpnDefaultCallbackAsUid.assertNoCallback();
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetworkForUid(VPN_UID));
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_WIFI, DetailedState.CONNECTED);
@@ -7587,6 +7674,8 @@
         callback.assertNoCallback();
         defaultCallback.assertNoCallback();
         vpnUidCallback.assertNoCallback();
+        vpnUidDefaultCallback.assertNoCallback();
+        vpnDefaultCallbackAsUid.assertNoCallback();
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetworkForUid(VPN_UID));
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_WIFI, DetailedState.CONNECTED);
@@ -7598,6 +7687,8 @@
         callback.assertNoCallback();
         defaultCallback.assertNoCallback();
         vpnUidCallback.assertNoCallback();
+        vpnUidDefaultCallback.assertNoCallback();
+        vpnDefaultCallbackAsUid.assertNoCallback();
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetworkForUid(VPN_UID));
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_WIFI, DetailedState.CONNECTED);
@@ -7610,6 +7701,8 @@
         defaultCallback.expectBlockedStatusCallback(true, mWiFiNetworkAgent);
         assertBlockedCallbackInAnyOrder(callback, true, mWiFiNetworkAgent, mCellNetworkAgent);
         vpnUidCallback.assertNoCallback();
+        vpnUidDefaultCallback.assertNoCallback();
+        vpnDefaultCallbackAsUid.assertNoCallback();
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetworkForUid(VPN_UID));
         assertNull(mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_WIFI, DetailedState.BLOCKED);
@@ -7620,6 +7713,8 @@
         assertUidRangesUpdatedForMyUid(true);
         defaultCallback.expectAvailableThenValidatedCallbacks(mMockVpn);
         vpnUidCallback.assertNoCallback();  // vpnUidCallback has NOT_VPN capability.
+        vpnUidDefaultCallback.assertNoCallback();  // VPN does not apply to VPN_UID
+        vpnDefaultCallbackAsUid.assertNoCallback();
         assertEquals(mMockVpn.getNetwork(), mCm.getActiveNetwork());
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetworkForUid(VPN_UID));
         assertActiveNetworkInfo(TYPE_WIFI, DetailedState.CONNECTED);
@@ -7630,11 +7725,16 @@
         mMockVpn.disconnect();
         defaultCallback.expectCallback(CallbackEntry.LOST, mMockVpn);
         defaultCallback.expectAvailableCallbacksUnvalidatedAndBlocked(mWiFiNetworkAgent);
+        vpnUidCallback.assertNoCallback();
+        vpnUidDefaultCallback.assertNoCallback();
+        vpnDefaultCallbackAsUid.assertNoCallback();
         assertNull(mCm.getActiveNetwork());
 
         mCm.unregisterNetworkCallback(callback);
         mCm.unregisterNetworkCallback(defaultCallback);
         mCm.unregisterNetworkCallback(vpnUidCallback);
+        mCm.unregisterNetworkCallback(vpnUidDefaultCallback);
+        mCm.unregisterNetworkCallback(vpnDefaultCallbackAsUid);
     }
 
     private void setupLegacyLockdownVpn() {
@@ -7656,7 +7756,7 @@
         assertNotNull(underlying);
         mMockVpn.setVpnType(VpnManager.TYPE_VPN_LEGACY);
         // The legacy lockdown VPN only supports userId 0.
-        final Set<UidRange> ranges = Collections.singleton(createUidRange(PRIMARY_USER));
+        final Set<UidRange> ranges = Collections.singleton(PRIMARY_UIDRANGE);
         mMockVpn.registerAgent(ranges);
         mMockVpn.setUnderlyingNetworks(new Network[]{underlying});
         mMockVpn.connect(true);
@@ -8618,7 +8718,7 @@
         lp.addRoute(new RouteInfo(new IpPrefix(Inet4Address.ANY, 0), null));
         lp.addRoute(new RouteInfo(new IpPrefix(Inet6Address.ANY, 0), RTN_UNREACHABLE));
         // The uid range needs to cover the test app so the network is visible to it.
-        final Set<UidRange> vpnRange = Collections.singleton(createUidRange(PRIMARY_USER));
+        final Set<UidRange> vpnRange = Collections.singleton(PRIMARY_UIDRANGE);
         mMockVpn.establish(lp, VPN_UID, vpnRange);
         assertVpnUidRangesUpdated(true, vpnRange, VPN_UID);
 
@@ -8646,7 +8746,7 @@
         lp.addRoute(new RouteInfo(new IpPrefix(Inet6Address.ANY, 0), null));
         lp.addRoute(new RouteInfo(new IpPrefix(Inet4Address.ANY, 0), null));
         // The uid range needs to cover the test app so the network is visible to it.
-        final Set<UidRange> vpnRange = Collections.singleton(createUidRange(PRIMARY_USER));
+        final Set<UidRange> vpnRange = Collections.singleton(PRIMARY_UIDRANGE);
         mMockVpn.establish(lp, Process.SYSTEM_UID, vpnRange);
         assertVpnUidRangesUpdated(true, vpnRange, Process.SYSTEM_UID);
 
@@ -8662,7 +8762,7 @@
         lp.addRoute(new RouteInfo(new IpPrefix("192.0.2.0/24"), null, "tun0"));
         lp.addRoute(new RouteInfo(new IpPrefix(Inet6Address.ANY, 0), RTN_UNREACHABLE));
         // The uid range needs to cover the test app so the network is visible to it.
-        final Set<UidRange> vpnRange = Collections.singleton(createUidRange(PRIMARY_USER));
+        final Set<UidRange> vpnRange = Collections.singleton(PRIMARY_UIDRANGE);
         mMockVpn.establish(lp, Process.SYSTEM_UID, vpnRange);
         assertVpnUidRangesUpdated(true, vpnRange, Process.SYSTEM_UID);
 
@@ -8677,7 +8777,7 @@
         lp.addRoute(new RouteInfo(new IpPrefix(Inet4Address.ANY, 0), null));
         lp.addRoute(new RouteInfo(new IpPrefix(Inet6Address.ANY, 0), null));
         // The uid range needs to cover the test app so the network is visible to it.
-        final Set<UidRange> vpnRange = Collections.singleton(createUidRange(PRIMARY_USER));
+        final Set<UidRange> vpnRange = Collections.singleton(PRIMARY_UIDRANGE);
         mMockVpn.establish(lp, VPN_UID, vpnRange);
         assertVpnUidRangesUpdated(true, vpnRange, VPN_UID);
 
@@ -8729,7 +8829,7 @@
         lp.addRoute(new RouteInfo(new IpPrefix(Inet4Address.ANY, 0), RTN_UNREACHABLE));
         lp.addRoute(new RouteInfo(new IpPrefix(Inet6Address.ANY, 0), null));
         // The uid range needs to cover the test app so the network is visible to it.
-        final UidRange vpnRange = createUidRange(PRIMARY_USER);
+        final UidRange vpnRange = PRIMARY_UIDRANGE;
         final Set<UidRange> vpnRanges = Collections.singleton(vpnRange);
         mMockVpn.establish(lp, VPN_UID, vpnRanges);
         assertVpnUidRangesUpdated(true, vpnRanges, VPN_UID);
@@ -8834,29 +8934,34 @@
         final NetworkCapabilities netCap = new NetworkCapabilities().setOwnerUid(ownerUid);
 
         return mService.createWithLocationInfoSanitizedIfNecessaryWhenParceled(
-                netCap, includeLocationSensitiveInfo, callerUid,
+                netCap, includeLocationSensitiveInfo, Process.myUid(), callerUid,
                 mContext.getPackageName(), getAttributionTag())
                 .getOwnerUid();
     }
 
-    private void verifyWifiInfoCopyNetCapsPermission(
+    private void verifyTransportInfoCopyNetCapsPermission(
             int callerUid, boolean includeLocationSensitiveInfo,
             boolean shouldMakeCopyWithLocationSensitiveFieldsParcelable) {
-        final WifiInfo wifiInfo = mock(WifiInfo.class);
-        when(wifiInfo.hasLocationSensitiveFields()).thenReturn(true);
-        final NetworkCapabilities netCap = new NetworkCapabilities().setTransportInfo(wifiInfo);
+        final TransportInfo transportInfo = mock(TransportInfo.class);
+        when(transportInfo.getApplicableRedactions()).thenReturn(REDACT_FOR_ACCESS_FINE_LOCATION);
+        final NetworkCapabilities netCap =
+                new NetworkCapabilities().setTransportInfo(transportInfo);
 
         mService.createWithLocationInfoSanitizedIfNecessaryWhenParceled(
-                netCap, includeLocationSensitiveInfo, callerUid,
+                netCap, includeLocationSensitiveInfo, Process.myPid(), callerUid,
                 mContext.getPackageName(), getAttributionTag());
-        verify(wifiInfo).makeCopy(eq(shouldMakeCopyWithLocationSensitiveFieldsParcelable));
+        if (shouldMakeCopyWithLocationSensitiveFieldsParcelable) {
+            verify(transportInfo).makeCopy(REDACT_NONE);
+        } else {
+            verify(transportInfo).makeCopy(REDACT_FOR_ACCESS_FINE_LOCATION);
+        }
     }
 
-    private void verifyOwnerUidAndWifiInfoNetCapsPermission(
+    private void verifyOwnerUidAndTransportInfoNetCapsPermission(
             boolean shouldInclLocationSensitiveOwnerUidWithoutIncludeFlag,
             boolean shouldInclLocationSensitiveOwnerUidWithIncludeFlag,
-            boolean shouldInclLocationSensitiveWifiInfoWithoutIncludeFlag,
-            boolean shouldInclLocationSensitiveWifiInfoWithIncludeFlag) {
+            boolean shouldInclLocationSensitiveTransportInfoWithoutIncludeFlag,
+            boolean shouldInclLocationSensitiveTransportInfoWithIncludeFlag) {
         final int myUid = Process.myUid();
 
         final int expectedOwnerUidWithoutIncludeFlag =
@@ -8870,13 +8975,13 @@
         assertEquals(expectedOwnerUidWithIncludeFlag, getOwnerUidNetCapsPermission(
                 myUid, myUid, true /* includeLocationSensitiveInfo */));
 
-        verifyWifiInfoCopyNetCapsPermission(myUid,
+        verifyTransportInfoCopyNetCapsPermission(myUid,
                 false, /* includeLocationSensitiveInfo */
-                shouldInclLocationSensitiveWifiInfoWithoutIncludeFlag);
+                shouldInclLocationSensitiveTransportInfoWithoutIncludeFlag);
 
-        verifyWifiInfoCopyNetCapsPermission(myUid,
+        verifyTransportInfoCopyNetCapsPermission(myUid,
                 true, /* includeLocationSensitiveInfo */
-                shouldInclLocationSensitiveWifiInfoWithIncludeFlag);
+                shouldInclLocationSensitiveTransportInfoWithIncludeFlag);
 
     }
 
@@ -8886,15 +8991,15 @@
         setupLocationPermissions(Build.VERSION_CODES.Q, true, AppOpsManager.OPSTR_FINE_LOCATION,
                 Manifest.permission.ACCESS_FINE_LOCATION);
 
-        verifyOwnerUidAndWifiInfoNetCapsPermission(
+        verifyOwnerUidAndTransportInfoNetCapsPermission(
                 // Ensure that we include owner uid even if the request asks to remove it since the
                 // app has necessary permissions and targetSdk < S.
                 true, /* shouldInclLocationSensitiveOwnerUidWithoutIncludeFlag */
                 true, /* shouldInclLocationSensitiveOwnerUidWithIncludeFlag */
-                false, /* shouldInclLocationSensitiveWifiInfoWithoutIncludeFlag */
+                false, /* shouldInclLocationSensitiveTransportInfoWithoutIncludeFlag */
                 // Ensure that we remove location info if the request asks to remove it even if the
                 // app has necessary permissions.
-                true /* shouldInclLocationSensitiveWifiInfoWithIncludeFlag */
+                true /* shouldInclLocationSensitiveTransportInfoWithIncludeFlag */
         );
     }
 
@@ -8904,15 +9009,15 @@
         setupLocationPermissions(Build.VERSION_CODES.R, true, AppOpsManager.OPSTR_FINE_LOCATION,
                 Manifest.permission.ACCESS_FINE_LOCATION);
 
-        verifyOwnerUidAndWifiInfoNetCapsPermission(
+        verifyOwnerUidAndTransportInfoNetCapsPermission(
                 // Ensure that we include owner uid even if the request asks to remove it since the
                 // app has necessary permissions and targetSdk < S.
                 true, /* shouldInclLocationSensitiveOwnerUidWithoutIncludeFlag */
                 true, /* shouldInclLocationSensitiveOwnerUidWithIncludeFlag */
-                false, /* shouldInclLocationSensitiveWifiInfoWithoutIncludeFlag */
+                false, /* shouldInclLocationSensitiveTransportInfoWithoutIncludeFlag */
                 // Ensure that we remove location info if the request asks to remove it even if the
                 // app has necessary permissions.
-                true /* shouldInclLocationSensitiveWifiInfoWithIncludeFlag */
+                true /* shouldInclLocationSensitiveTransportInfoWithIncludeFlag */
         );
     }
 
@@ -8923,15 +9028,15 @@
         setupLocationPermissions(Build.VERSION_CODES.S, true, AppOpsManager.OPSTR_FINE_LOCATION,
                 Manifest.permission.ACCESS_FINE_LOCATION);
 
-        verifyOwnerUidAndWifiInfoNetCapsPermission(
+        verifyOwnerUidAndTransportInfoNetCapsPermission(
                 // Ensure that we owner UID if the request asks us to remove it even if the app
                 // has necessary permissions since targetSdk >= S.
                 false, /* shouldInclLocationSensitiveOwnerUidWithoutIncludeFlag */
                 true, /* shouldInclLocationSensitiveOwnerUidWithIncludeFlag */
-                false, /* shouldInclLocationSensitiveWifiInfoWithoutIncludeFlag */
+                false, /* shouldInclLocationSensitiveTransportInfoWithoutIncludeFlag */
                 // Ensure that we remove location info if the request asks to remove it even if the
                 // app has necessary permissions.
-                true /* shouldInclLocationSensitiveWifiInfoWithIncludeFlag */
+                true /* shouldInclLocationSensitiveTransportInfoWithIncludeFlag */
         );
     }
 
@@ -8941,15 +9046,15 @@
         setupLocationPermissions(Build.VERSION_CODES.P, true, AppOpsManager.OPSTR_COARSE_LOCATION,
                 Manifest.permission.ACCESS_COARSE_LOCATION);
 
-        verifyOwnerUidAndWifiInfoNetCapsPermission(
+        verifyOwnerUidAndTransportInfoNetCapsPermission(
                 // Ensure that we owner UID if the request asks us to remove it even if the app
                 // has necessary permissions since targetSdk >= S.
                 true, /* shouldInclLocationSensitiveOwnerUidWithoutIncludeFlag */
                 true, /* shouldInclLocationSensitiveOwnerUidWithIncludeFlag */
-                false, /* shouldInclLocationSensitiveWifiInfoWithoutIncludeFlag */
+                false, /* shouldInclLocationSensitiveTransportInfoWithoutIncludeFlag */
                 // Ensure that we remove location info if the request asks to remove it even if the
                 // app has necessary permissions.
-                true /* shouldInclLocationSensitiveWifiInfoWithIncludeFlag */
+                true /* shouldInclLocationSensitiveTransportInfoWithIncludeFlag */
         );
     }
 
@@ -8959,11 +9064,11 @@
         setupLocationPermissions(Build.VERSION_CODES.Q, false, AppOpsManager.OPSTR_FINE_LOCATION,
                 Manifest.permission.ACCESS_FINE_LOCATION);
 
-        verifyOwnerUidAndWifiInfoNetCapsPermission(
+        verifyOwnerUidAndTransportInfoNetCapsPermission(
                 false, /* shouldInclLocationSensitiveOwnerUidWithoutIncludeFlag */
                 false, /* shouldInclLocationSensitiveOwnerUidWithIncludeFlag */
-                false, /* shouldInclLocationSensitiveWifiInfoWithoutIncludeFlag */
-                false /* shouldInclLocationSensitiveWifiInfoWithIncludeFlag */
+                false, /* shouldInclLocationSensitiveTransportInfoWithoutIncludeFlag */
+                false /* shouldInclLocationSensitiveTransportInfoWithIncludeFlag */
         );
     }
 
@@ -8986,11 +9091,11 @@
         setupLocationPermissions(Build.VERSION_CODES.Q, true, AppOpsManager.OPSTR_COARSE_LOCATION,
                 Manifest.permission.ACCESS_COARSE_LOCATION);
 
-        verifyOwnerUidAndWifiInfoNetCapsPermission(
+        verifyOwnerUidAndTransportInfoNetCapsPermission(
                 false, /* shouldInclLocationSensitiveOwnerUidWithoutIncludeFlag */
                 false, /* shouldInclLocationSensitiveOwnerUidWithIncludeFlag */
-                false, /* shouldInclLocationSensitiveWifiInfoWithoutIncludeFlag */
-                false /* shouldInclLocationSensitiveWifiInfoWithIncludeFlag */
+                false, /* shouldInclLocationSensitiveTransportInfoWithoutIncludeFlag */
+                false /* shouldInclLocationSensitiveTransportInfoWithIncludeFlag */
         );
     }
 
@@ -9000,17 +9105,196 @@
         // Test that not having fine location permission leads to sanitization.
         setupLocationPermissions(Build.VERSION_CODES.Q, true, null /* op */, null /* perm */);
 
-        verifyOwnerUidAndWifiInfoNetCapsPermission(
+        verifyOwnerUidAndTransportInfoNetCapsPermission(
                 false, /* shouldInclLocationSensitiveOwnerUidWithoutIncludeFlag */
                 false, /* shouldInclLocationSensitiveOwnerUidWithIncludeFlag */
-                false, /* shouldInclLocationSensitiveWifiInfoWithoutIncludeFlag */
-                false /* shouldInclLocationSensitiveWifiInfoWithIncludeFlag */
+                false, /* shouldInclLocationSensitiveTransportInfoWithoutIncludeFlag */
+                false /* shouldInclLocationSensitiveTransportInfoWithIncludeFlag */
         );
     }
 
+    @Test
+    public void testCreateForCallerWithLocalMacAddressSanitizedWithLocalMacAddressPermission()
+            throws Exception {
+        mServiceContext.setPermission(Manifest.permission.LOCAL_MAC_ADDRESS, PERMISSION_GRANTED);
+
+        final TransportInfo transportInfo = mock(TransportInfo.class);
+        when(transportInfo.getApplicableRedactions())
+                .thenReturn(REDACT_FOR_ACCESS_FINE_LOCATION | REDACT_FOR_LOCAL_MAC_ADDRESS);
+        final NetworkCapabilities netCap =
+                new NetworkCapabilities().setTransportInfo(transportInfo);
+
+        mService.createWithLocationInfoSanitizedIfNecessaryWhenParceled(
+                netCap, false /* includeLocationSensitiveInfoInTransportInfo */,
+                Process.myPid(), Process.myUid(),
+                mContext.getPackageName(), getAttributionTag());
+        // don't redact MAC_ADDRESS fields, only location sensitive fields.
+        verify(transportInfo).makeCopy(REDACT_FOR_ACCESS_FINE_LOCATION);
+    }
+
+    @Test
+    public void testCreateForCallerWithLocalMacAddressSanitizedWithoutLocalMacAddressPermission()
+            throws Exception {
+        mServiceContext.setPermission(Manifest.permission.LOCAL_MAC_ADDRESS, PERMISSION_DENIED);
+
+        final TransportInfo transportInfo = mock(TransportInfo.class);
+        when(transportInfo.getApplicableRedactions())
+                .thenReturn(REDACT_FOR_ACCESS_FINE_LOCATION | REDACT_FOR_LOCAL_MAC_ADDRESS);
+        final NetworkCapabilities netCap =
+                new NetworkCapabilities().setTransportInfo(transportInfo);
+
+        mService.createWithLocationInfoSanitizedIfNecessaryWhenParceled(
+                netCap, false /* includeLocationSensitiveInfoInTransportInfo */,
+                Process.myPid(), Process.myUid(),
+                mContext.getPackageName(), getAttributionTag());
+        // redact both MAC_ADDRESS & location sensitive fields.
+        verify(transportInfo).makeCopy(REDACT_FOR_ACCESS_FINE_LOCATION
+                | REDACT_FOR_LOCAL_MAC_ADDRESS);
+    }
+
+    @Test
+    public void testCreateForCallerWithLocalMacAddressSanitizedWithSettingsPermission()
+            throws Exception {
+        mServiceContext.setPermission(Manifest.permission.NETWORK_SETTINGS, PERMISSION_GRANTED);
+
+        final TransportInfo transportInfo = mock(TransportInfo.class);
+        when(transportInfo.getApplicableRedactions())
+                .thenReturn(REDACT_FOR_ACCESS_FINE_LOCATION | REDACT_FOR_NETWORK_SETTINGS);
+        final NetworkCapabilities netCap =
+                new NetworkCapabilities().setTransportInfo(transportInfo);
+
+        mService.createWithLocationInfoSanitizedIfNecessaryWhenParceled(
+                netCap, false /* includeLocationSensitiveInfoInTransportInfo */,
+                Process.myPid(), Process.myUid(),
+                mContext.getPackageName(), getAttributionTag());
+        // don't redact NETWORK_SETTINGS fields, only location sensitive fields.
+        verify(transportInfo).makeCopy(REDACT_FOR_ACCESS_FINE_LOCATION);
+    }
+
+    @Test
+    public void testCreateForCallerWithLocalMacAddressSanitizedWithoutSettingsPermission()
+            throws Exception {
+        mServiceContext.setPermission(Manifest.permission.LOCAL_MAC_ADDRESS, PERMISSION_DENIED);
+
+        final TransportInfo transportInfo = mock(TransportInfo.class);
+        when(transportInfo.getApplicableRedactions())
+                .thenReturn(REDACT_FOR_ACCESS_FINE_LOCATION | REDACT_FOR_NETWORK_SETTINGS);
+        final NetworkCapabilities netCap =
+                new NetworkCapabilities().setTransportInfo(transportInfo);
+
+        mService.createWithLocationInfoSanitizedIfNecessaryWhenParceled(
+                netCap, false /* includeLocationSensitiveInfoInTransportInfo */,
+                Process.myPid(), Process.myUid(),
+                mContext.getPackageName(), getAttributionTag());
+        // redact both NETWORK_SETTINGS & location sensitive fields.
+        verify(transportInfo).makeCopy(
+                REDACT_FOR_ACCESS_FINE_LOCATION | REDACT_FOR_NETWORK_SETTINGS);
+    }
+
+    /**
+     * Test TransportInfo to verify redaction mechanism.
+     */
+    private static class TestTransportInfo implements TransportInfo {
+        public final boolean locationRedacted;
+        public final boolean localMacAddressRedacted;
+        public final boolean settingsRedacted;
+
+        TestTransportInfo() {
+            locationRedacted = false;
+            localMacAddressRedacted = false;
+            settingsRedacted = false;
+        }
+
+        TestTransportInfo(boolean locationRedacted, boolean localMacAddressRedacted,
+                boolean settingsRedacted) {
+            this.locationRedacted = locationRedacted;
+            this.localMacAddressRedacted =
+                    localMacAddressRedacted;
+            this.settingsRedacted = settingsRedacted;
+        }
+
+        @Override
+        public TransportInfo makeCopy(@NetworkCapabilities.RedactionType long redactions) {
+            return new TestTransportInfo(
+                    (redactions & REDACT_FOR_ACCESS_FINE_LOCATION) != 0,
+                    (redactions & REDACT_FOR_LOCAL_MAC_ADDRESS) != 0,
+                    (redactions & REDACT_FOR_NETWORK_SETTINGS) != 0
+            );
+        }
+
+        @Override
+        public @NetworkCapabilities.RedactionType long getApplicableRedactions() {
+            return REDACT_FOR_ACCESS_FINE_LOCATION | REDACT_FOR_LOCAL_MAC_ADDRESS
+                    | REDACT_FOR_NETWORK_SETTINGS;
+        }
+
+        @Override
+        public boolean equals(Object other) {
+            if (!(other instanceof TestTransportInfo)) return false;
+            TestTransportInfo that = (TestTransportInfo) other;
+            return that.locationRedacted == this.locationRedacted
+                    && that.localMacAddressRedacted == this.localMacAddressRedacted
+                    && that.settingsRedacted == this.settingsRedacted;
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(locationRedacted, localMacAddressRedacted, settingsRedacted);
+        }
+    }
+
+    private void verifyNetworkCallbackLocationDataInclusionUsingTransportInfoAndOwnerUidInNetCaps(
+            @NonNull TestNetworkCallback wifiNetworkCallback, int actualOwnerUid,
+            @NonNull TransportInfo actualTransportInfo, int expectedOwnerUid,
+            @NonNull TransportInfo expectedTransportInfo) throws Exception {
+        when(mPackageManager.getTargetSdkVersion(anyString())).thenReturn(Build.VERSION_CODES.S);
+        final NetworkCapabilities ncTemplate =
+                new NetworkCapabilities()
+                        .addTransportType(TRANSPORT_WIFI)
+                        .setOwnerUid(actualOwnerUid);
+
+        final NetworkRequest wifiRequest = new NetworkRequest.Builder()
+                .addTransportType(TRANSPORT_WIFI).build();
+        mCm.registerNetworkCallback(wifiRequest, wifiNetworkCallback);
+
+        mWiFiNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI, new LinkProperties(),
+                ncTemplate);
+        mWiFiNetworkAgent.connect(false);
+
+        wifiNetworkCallback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
+
+        // Send network capabilities update with TransportInfo to trigger capabilities changed
+        // callback.
+        mWiFiNetworkAgent.setNetworkCapabilities(
+                ncTemplate.setTransportInfo(actualTransportInfo), true);
+
+        wifiNetworkCallback.expectCapabilitiesThat(mWiFiNetworkAgent,
+                nc -> Objects.equals(expectedOwnerUid, nc.getOwnerUid())
+                        && Objects.equals(expectedTransportInfo, nc.getTransportInfo()));
+
+    }
+
+    @Test
+    public void testVerifyLocationDataIsNotIncludedWhenInclFlagNotSet() throws Exception {
+        final TestNetworkCallback wifiNetworkCallack = new TestNetworkCallback();
+        final int ownerUid = Process.myUid();
+        final TransportInfo transportInfo = new TestTransportInfo();
+        // Even though the test uid holds privileged permissions, mask location fields since
+        // the callback did not explicitly opt-in to get location data.
+        final TransportInfo sanitizedTransportInfo = new TestTransportInfo(
+                true, /* locationRedacted */
+                true, /* localMacAddressRedacted */
+                true /* settingsRedacted */
+        );
+        // Should not expect location data since the callback does not set the flag for including
+        // location data.
+        verifyNetworkCallbackLocationDataInclusionUsingTransportInfoAndOwnerUidInNetCaps(
+                wifiNetworkCallack, ownerUid, transportInfo, INVALID_UID, sanitizedTransportInfo);
+    }
+
     private void setupConnectionOwnerUid(int vpnOwnerUid, @VpnManager.VpnType int vpnType)
             throws Exception {
-        final Set<UidRange> vpnRange = Collections.singleton(createUidRange(PRIMARY_USER));
+        final Set<UidRange> vpnRange = Collections.singleton(PRIMARY_UIDRANGE);
         mMockVpn.setVpnType(vpnType);
         mMockVpn.establish(new LinkProperties(), vpnOwnerUid, vpnRange);
         assertVpnUidRangesUpdated(true, vpnRange, vpnOwnerUid);
@@ -9552,10 +9836,12 @@
         assertContainsExactly(exemptUidCaptor.getValue(), Process.VPN_UID, exemptUid);
 
         if (add) {
-            inOrder.verify(mMockNetd, times(1)).networkAddUidRanges(eq(mMockVpn.getNetId()),
+            inOrder.verify(mMockNetd, times(1))
+                    .networkAddUidRanges(eq(mMockVpn.getNetwork().getNetId()),
                     eq(toUidRangeStableParcels(vpnRanges)));
         } else {
-            inOrder.verify(mMockNetd, times(1)).networkRemoveUidRanges(eq(mMockVpn.getNetId()),
+            inOrder.verify(mMockNetd, times(1))
+                    .networkRemoveUidRanges(eq(mMockVpn.getNetwork().getNetId()),
                     eq(toUidRangeStableParcels(vpnRanges)));
         }
 
@@ -9570,7 +9856,7 @@
         lp.setInterfaceName("tun0");
         lp.addRoute(new RouteInfo(new IpPrefix(Inet4Address.ANY, 0), null));
         lp.addRoute(new RouteInfo(new IpPrefix(Inet6Address.ANY, 0), null));
-        final UidRange vpnRange = createUidRange(PRIMARY_USER);
+        final UidRange vpnRange = PRIMARY_UIDRANGE;
         Set<UidRange> vpnRanges = Collections.singleton(vpnRange);
         mMockVpn.establish(lp, VPN_UID, vpnRanges);
         assertVpnUidRangesUpdated(true, vpnRanges, VPN_UID);
@@ -9596,8 +9882,8 @@
         for (int reqTypeInt : invalidReqTypeInts) {
             assertThrows("Expect throws for invalid request type " + reqTypeInt,
                     IllegalArgumentException.class,
-                    () -> mService.requestNetwork(nc, reqTypeInt, null, 0, null,
-                            ConnectivityManager.TYPE_NONE, NetworkCallback.FLAG_NONE,
+                    () -> mService.requestNetwork(Process.INVALID_UID, nc, reqTypeInt, null, 0,
+                            null, ConnectivityManager.TYPE_NONE, NetworkCallback.FLAG_NONE,
                             mContext.getPackageName(), getAttributionTag())
             );
         }
@@ -9716,7 +10002,7 @@
                         && session.getSessionType() == QosSession.TYPE_EPS_BEARER), eq(attributes));
 
         mQosCallbackMockHelper.mAgentWrapper.getNetworkAgent()
-                .sendQosSessionLost(qosCallbackId, sessionId);
+                .sendQosSessionLost(qosCallbackId, sessionId, QosSession.TYPE_EPS_BEARER);
         waitForIdle();
         verify(mQosCallbackMockHelper.mCallback).onQosSessionLost(argThat(session ->
                 session.getSessionId() == sessionId
@@ -9724,6 +10010,36 @@
     }
 
     @Test
+    public void testNrQosCallbackAvailableAndLost() throws Exception {
+        mQosCallbackMockHelper = new QosCallbackMockHelper();
+        final int sessionId = 10;
+        final int qosCallbackId = 1;
+
+        when(mQosCallbackMockHelper.mFilter.validate())
+                .thenReturn(QosCallbackException.EX_TYPE_FILTER_NONE);
+        mQosCallbackMockHelper.registerQosCallback(
+                mQosCallbackMockHelper.mFilter, mQosCallbackMockHelper.mCallback);
+        waitForIdle();
+
+        final NrQosSessionAttributes attributes = new NrQosSessionAttributes(
+                1, 2, 3, 4, 5, 6, 7, new ArrayList<>());
+        mQosCallbackMockHelper.mAgentWrapper.getNetworkAgent()
+                .sendQosSessionAvailable(qosCallbackId, sessionId, attributes);
+        waitForIdle();
+
+        verify(mQosCallbackMockHelper.mCallback).onNrQosSessionAvailable(argThat(session ->
+                session.getSessionId() == sessionId
+                        && session.getSessionType() == QosSession.TYPE_NR_BEARER), eq(attributes));
+
+        mQosCallbackMockHelper.mAgentWrapper.getNetworkAgent()
+                .sendQosSessionLost(qosCallbackId, sessionId, QosSession.TYPE_NR_BEARER);
+        waitForIdle();
+        verify(mQosCallbackMockHelper.mCallback).onQosSessionLost(argThat(session ->
+                session.getSessionId() == sessionId
+                        && session.getSessionType() == QosSession.TYPE_NR_BEARER));
+    }
+
+    @Test
     public void testQosCallbackTooManyRequests() throws Exception {
         mQosCallbackMockHelper = new QosCallbackMockHelper();
 
@@ -9768,7 +10084,7 @@
                 .thenReturn(hasFeature);
     }
 
-    private UidRange getNriFirstUidRange(
+    private Range<Integer> getNriFirstUidRange(
             @NonNull final ConnectivityService.NetworkRequestInfo nri) {
         return nri.mRequests.get(0).networkCapabilities.getUids().iterator().next();
     }
@@ -9951,11 +10267,11 @@
                                 pref));
 
         // Sort by uid to access nris by index
-        nris.sort(Comparator.comparingInt(nri -> getNriFirstUidRange(nri).start));
-        assertEquals(TEST_PACKAGE_UID, getNriFirstUidRange(nris.get(0)).start);
-        assertEquals(TEST_PACKAGE_UID, getNriFirstUidRange(nris.get(0)).stop);
-        assertEquals(testPackageNameUid2, getNriFirstUidRange(nris.get(1)).start);
-        assertEquals(testPackageNameUid2, getNriFirstUidRange(nris.get(1)).stop);
+        nris.sort(Comparator.comparingInt(nri -> getNriFirstUidRange(nri).getLower()));
+        assertEquals(TEST_PACKAGE_UID, (int) getNriFirstUidRange(nris.get(0)).getLower());
+        assertEquals(TEST_PACKAGE_UID, (int) getNriFirstUidRange(nris.get(0)).getUpper());
+        assertEquals(testPackageNameUid2, (int) getNriFirstUidRange(nris.get(1)).getLower());
+        assertEquals(testPackageNameUid2, (int) getNriFirstUidRange(nris.get(1)).getUpper());
     }
 
     @Test
@@ -9985,17 +10301,17 @@
         // UIDs for all users and all managed packages should be present.
         // Two users each with two packages.
         final int expectedUidSize = 2;
-        final List<UidRange> uids =
+        final List<Range<Integer>> uids =
                 new ArrayList<>(nris.get(0).mRequests.get(0).networkCapabilities.getUids());
         assertEquals(expectedUidSize, uids.size());
 
         // Sort by uid to access nris by index
-        uids.sort(Comparator.comparingInt(uid -> uid.start));
+        uids.sort(Comparator.comparingInt(uid -> uid.getLower()));
         final int secondUserTestPackageUid = UserHandle.getUid(secondUser, TEST_PACKAGE_UID);
-        assertEquals(TEST_PACKAGE_UID, uids.get(0).start);
-        assertEquals(TEST_PACKAGE_UID, uids.get(0).stop);
-        assertEquals(secondUserTestPackageUid, uids.get(1).start);
-        assertEquals(secondUserTestPackageUid, uids.get(1).stop);
+        assertEquals(TEST_PACKAGE_UID, (int) uids.get(0).getLower());
+        assertEquals(TEST_PACKAGE_UID, (int) uids.get(0).getUpper());
+        assertEquals(secondUserTestPackageUid, (int) uids.get(1).getLower());
+        assertEquals(secondUserTestPackageUid, (int) uids.get(1).getUpper());
     }
 
     @Test
@@ -10168,6 +10484,7 @@
         mCm.registerDefaultNetworkCallback(mDefaultNetworkCallback);
         registerDefaultNetworkCallbackAsUid(mProfileDefaultNetworkCallback,
                 TEST_WORK_PROFILE_APP_UID);
+        // TODO: test using ConnectivityManager#registerDefaultNetworkCallbackAsUid as well.
         mServiceContext.setPermission(
                 Manifest.permission.NETWORK_SETTINGS, PERMISSION_DENIED);
     }
@@ -10187,7 +10504,7 @@
     private void setupMultipleDefaultNetworksForOemNetworkPreferenceNotCurrentUidTest(
             @OemNetworkPreferences.OemNetworkPreference final int networkPrefToSetup)
             throws Exception {
-        final int testPackageNameUid = 123;
+        final int testPackageNameUid = TEST_PACKAGE_UID;
         final String testPackageName = "per.app.defaults.package";
         setupMultipleDefaultNetworksForOemNetworkPreferenceTest(
                 networkPrefToSetup, testPackageNameUid, testPackageName);
@@ -10323,6 +10640,11 @@
         mCm.registerDefaultNetworkCallback(defaultNetworkCallback);
         defaultNetworkCallback.assertNoCallback();
 
+        final TestNetworkCallback otherUidDefaultCallback = new TestNetworkCallback();
+        withPermission(Manifest.permission.NETWORK_SETTINGS, () ->
+                mCm.registerDefaultNetworkCallbackAsUid(TEST_PACKAGE_UID, otherUidDefaultCallback,
+                        new Handler(ConnectivityThread.getInstanceLooper())));
+
         // Setup the test process to use networkPref for their default network.
         setupMultipleDefaultNetworksForOemNetworkPreferenceCurrentUidTest(networkPref);
 
@@ -10333,19 +10655,22 @@
                 null,
                 mEthernetNetworkAgent.getNetwork());
 
-        // At this point with a restricted network used, the available callback should trigger
+        // At this point with a restricted network used, the available callback should trigger.
         defaultNetworkCallback.expectAvailableThenValidatedCallbacks(mEthernetNetworkAgent);
         assertEquals(defaultNetworkCallback.getLastAvailableNetwork(),
                 mEthernetNetworkAgent.getNetwork());
+        otherUidDefaultCallback.assertNoCallback();
 
         // Now bring down the default network which should trigger a LOST callback.
         setOemNetworkPreferenceAgentConnected(TRANSPORT_ETHERNET, false);
 
         // At this point, with no network is available, the lost callback should trigger
         defaultNetworkCallback.expectCallback(CallbackEntry.LOST, mEthernetNetworkAgent);
+        otherUidDefaultCallback.assertNoCallback();
 
         // Confirm we can unregister without issues.
         mCm.unregisterNetworkCallback(defaultNetworkCallback);
+        mCm.unregisterNetworkCallback(otherUidDefaultCallback);
     }
 
     @Test
@@ -10363,6 +10688,11 @@
         mCm.registerDefaultNetworkCallback(defaultNetworkCallback);
         defaultNetworkCallback.assertNoCallback();
 
+        final TestNetworkCallback otherUidDefaultCallback = new TestNetworkCallback();
+        withPermission(Manifest.permission.NETWORK_SETTINGS, () ->
+                mCm.registerDefaultNetworkCallbackAsUid(TEST_PACKAGE_UID, otherUidDefaultCallback,
+                        new Handler(ConnectivityThread.getInstanceLooper())));
+
         // Bring up ethernet with OEM_PAID. This will satisfy NET_CAPABILITY_OEM_PAID.
         // The active nai for the default is null at this point as this is a restricted network.
         setOemNetworkPreferenceAgentConnected(TRANSPORT_ETHERNET, true);
@@ -10374,15 +10704,19 @@
         defaultNetworkCallback.expectAvailableThenValidatedCallbacks(mEthernetNetworkAgent);
         assertEquals(defaultNetworkCallback.getLastAvailableNetwork(),
                 mEthernetNetworkAgent.getNetwork());
+        otherUidDefaultCallback.assertNoCallback();
 
         // Now bring down the default network which should trigger a LOST callback.
         setOemNetworkPreferenceAgentConnected(TRANSPORT_ETHERNET, false);
+        otherUidDefaultCallback.assertNoCallback();
 
         // At this point, with no network is available, the lost callback should trigger
         defaultNetworkCallback.expectCallback(CallbackEntry.LOST, mEthernetNetworkAgent);
+        otherUidDefaultCallback.assertNoCallback();
 
         // Confirm we can unregister without issues.
         mCm.unregisterNetworkCallback(defaultNetworkCallback);
+        mCm.unregisterNetworkCallback(otherUidDefaultCallback);
     }
 
     @Test
@@ -10396,6 +10730,11 @@
         mCm.registerDefaultNetworkCallback(defaultNetworkCallback);
         defaultNetworkCallback.assertNoCallback();
 
+        final TestNetworkCallback otherUidDefaultCallback = new TestNetworkCallback();
+        withPermission(Manifest.permission.NETWORK_SETTINGS, () ->
+                mCm.registerDefaultNetworkCallbackAsUid(TEST_PACKAGE_UID, otherUidDefaultCallback,
+                        new Handler(ConnectivityThread.getInstanceLooper())));
+
         // Setup a process different than the test process to use the default network. This means
         // that the defaultNetworkCallback won't be tracked by the per-app policy.
         setupMultipleDefaultNetworksForOemNetworkPreferenceNotCurrentUidTest(networkPref);
@@ -10411,6 +10750,9 @@
         defaultNetworkCallback.assertNoCallback();
         assertDefaultNetworkCapabilities(userId /* no networks */);
 
+        // The other UID does have access, and gets a callback.
+        otherUidDefaultCallback.expectAvailableThenValidatedCallbacks(mEthernetNetworkAgent);
+
         // Bring up unrestricted cellular. This should now satisfy the default network.
         setOemNetworkPreferenceAgentConnected(TRANSPORT_CELLULAR, true);
         verifyMultipleDefaultNetworksTracksCorrectly(expectedOemPrefRequestSize,
@@ -10418,25 +10760,31 @@
                 mEthernetNetworkAgent.getNetwork());
 
         // At this point with an unrestricted network used, the available callback should trigger
+        // The other UID is unaffected and remains on the paid network.
         defaultNetworkCallback.expectAvailableThenValidatedCallbacks(mCellNetworkAgent);
         assertEquals(defaultNetworkCallback.getLastAvailableNetwork(),
                 mCellNetworkAgent.getNetwork());
         assertDefaultNetworkCapabilities(userId, mCellNetworkAgent);
+        otherUidDefaultCallback.assertNoCallback();
 
         // Now bring down the per-app network.
         setOemNetworkPreferenceAgentConnected(TRANSPORT_ETHERNET, false);
 
-        // Since the callback didn't use the per-app network, no callback should fire.
+        // Since the callback didn't use the per-app network, only the other UID gets a callback.
+        // Because the preference specifies no fallback, it does not switch to cellular.
         defaultNetworkCallback.assertNoCallback();
+        otherUidDefaultCallback.expectCallback(CallbackEntry.LOST, mEthernetNetworkAgent);
 
         // Now bring down the default network.
         setOemNetworkPreferenceAgentConnected(TRANSPORT_CELLULAR, false);
 
         // As this callback was tracking the default, this should now trigger.
         defaultNetworkCallback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent);
+        otherUidDefaultCallback.assertNoCallback();
 
         // Confirm we can unregister without issues.
         mCm.unregisterNetworkCallback(defaultNetworkCallback);
+        mCm.unregisterNetworkCallback(otherUidDefaultCallback);
     }
 
     /**
diff --git a/tests/net/java/com/android/server/connectivity/VpnTest.java b/tests/net/java/com/android/server/connectivity/VpnTest.java
index 11fcea6..6ad4900 100644
--- a/tests/net/java/com/android/server/connectivity/VpnTest.java
+++ b/tests/net/java/com/android/server/connectivity/VpnTest.java
@@ -23,6 +23,7 @@
 import static android.net.ConnectivityManager.NetworkCallback;
 import static android.net.INetd.IF_STATE_DOWN;
 import static android.net.INetd.IF_STATE_UP;
+import static android.os.UserHandle.PER_USER_RANGE;
 
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
@@ -74,7 +75,6 @@
 import android.net.NetworkCapabilities;
 import android.net.NetworkInfo.DetailedState;
 import android.net.RouteInfo;
-import android.net.UidRange;
 import android.net.UidRangeParcel;
 import android.net.VpnManager;
 import android.net.VpnService;
@@ -181,8 +181,7 @@
             mPackages.put(PKGS[i], PKG_UIDS[i]);
         }
     }
-    private static final UidRange PRI_USER_RANGE =
-            UidRange.createForUser(UserHandle.of(primaryUser.id));
+    private static final Range<Integer> PRI_USER_RANGE = uidRangeForUser(primaryUser.id);
 
     @Mock(answer = Answers.RETURNS_DEEP_STUBS) private Context mContext;
     @Mock private UserManager mUserManager;
@@ -260,6 +259,21 @@
                 .thenReturn(tunnelResp);
     }
 
+    private Set<Range<Integer>> rangeSet(Range<Integer> ... ranges) {
+        final Set<Range<Integer>> range = new ArraySet<>();
+        for (Range<Integer> r : ranges) range.add(r);
+
+        return range;
+    }
+
+    private static Range<Integer> uidRangeForUser(int userId) {
+        return new Range<Integer>(userId * PER_USER_RANGE, (userId + 1) * PER_USER_RANGE - 1);
+    }
+
+    private Range<Integer> uidRange(int start, int stop) {
+        return new Range<Integer>(start, stop);
+    }
+
     @Test
     public void testRestrictedProfilesAreAddedToVpn() {
         setMockedUsers(primaryUser, secondaryUser, restrictedProfileA, restrictedProfileB);
@@ -268,12 +282,10 @@
 
         // Assume the user can have restricted profiles.
         doReturn(true).when(mUserManager).canHaveRestrictedProfile();
-        final Set<UidRange> ranges =
+        final Set<Range<Integer>> ranges =
                 vpn.createUserAndRestrictedProfilesRanges(primaryUser.id, null, null);
 
-        assertEquals(new ArraySet<>(Arrays.asList(new UidRange[] {
-                PRI_USER_RANGE, UidRange.createForUser(UserHandle.of(restrictedProfileA.id))
-        })), ranges);
+        assertEquals(rangeSet(PRI_USER_RANGE, uidRangeForUser(restrictedProfileA.id)), ranges);
     }
 
     @Test
@@ -281,10 +293,10 @@
         setMockedUsers(primaryUser, managedProfileA);
 
         final Vpn vpn = createVpn(primaryUser.id);
-        final Set<UidRange> ranges = vpn.createUserAndRestrictedProfilesRanges(primaryUser.id,
+        final Set<Range<Integer>> ranges = vpn.createUserAndRestrictedProfilesRanges(primaryUser.id,
                 null, null);
 
-        assertEquals(new ArraySet<>(Arrays.asList(new UidRange[] { PRI_USER_RANGE })), ranges);
+        assertEquals(rangeSet(PRI_USER_RANGE), ranges);
     }
 
     @Test
@@ -292,35 +304,38 @@
         setMockedUsers(primaryUser, restrictedProfileA, managedProfileA);
 
         final Vpn vpn = createVpn(primaryUser.id);
-        final Set<UidRange> ranges = new ArraySet<>();
+        final Set<Range<Integer>> ranges = new ArraySet<>();
         vpn.addUserToRanges(ranges, primaryUser.id, null, null);
 
-        assertEquals(new ArraySet<>(Arrays.asList(new UidRange[] { PRI_USER_RANGE })), ranges);
+        assertEquals(rangeSet(PRI_USER_RANGE), ranges);
     }
 
     @Test
     public void testUidAllowAndDenylist() throws Exception {
         final Vpn vpn = createVpn(primaryUser.id);
-        final UidRange user = PRI_USER_RANGE;
+        final Range<Integer> user = PRI_USER_RANGE;
+        final int userStart = user.getLower();
+        final int userStop = user.getUpper();
         final String[] packages = {PKGS[0], PKGS[1], PKGS[2]};
 
         // Allowed list
-        final Set<UidRange> allow = vpn.createUserAndRestrictedProfilesRanges(primaryUser.id,
-                Arrays.asList(packages), null);
-        assertEquals(new ArraySet<>(Arrays.asList(new UidRange[] {
-            new UidRange(user.start + PKG_UIDS[0], user.start + PKG_UIDS[0]),
-            new UidRange(user.start + PKG_UIDS[1], user.start + PKG_UIDS[2])
-        })), allow);
+        final Set<Range<Integer>> allow = vpn.createUserAndRestrictedProfilesRanges(primaryUser.id,
+                Arrays.asList(packages), null /* disallowedApplications */);
+        assertEquals(rangeSet(
+                uidRange(userStart + PKG_UIDS[0], userStart + PKG_UIDS[0]),
+                uidRange(userStart + PKG_UIDS[1], userStart + PKG_UIDS[2])),
+                allow);
 
         // Denied list
-        final Set<UidRange> disallow = vpn.createUserAndRestrictedProfilesRanges(primaryUser.id,
-                null, Arrays.asList(packages));
-        assertEquals(new ArraySet<>(Arrays.asList(new UidRange[] {
-            new UidRange(user.start, user.start + PKG_UIDS[0] - 1),
-            new UidRange(user.start + PKG_UIDS[0] + 1, user.start + PKG_UIDS[1] - 1),
-            /* Empty range between UIDS[1] and UIDS[2], should be excluded, */
-            new UidRange(user.start + PKG_UIDS[2] + 1, user.stop)
-        })), disallow);
+        final Set<Range<Integer>> disallow =
+                vpn.createUserAndRestrictedProfilesRanges(primaryUser.id,
+                        null /* allowedApplications */, Arrays.asList(packages));
+        assertEquals(rangeSet(
+                uidRange(userStart, userStart + PKG_UIDS[0] - 1),
+                uidRange(userStart + PKG_UIDS[0] + 1, userStart + PKG_UIDS[1] - 1),
+                /* Empty range between UIDS[1] and UIDS[2], should be excluded, */
+                uidRange(userStart + PKG_UIDS[2] + 1, userStop)),
+                disallow);
     }
 
     @Test
@@ -350,84 +365,86 @@
     @Test
     public void testLockdownChangingPackage() throws Exception {
         final Vpn vpn = createVpn(primaryUser.id);
-        final UidRange user = PRI_USER_RANGE;
-
+        final Range<Integer> user = PRI_USER_RANGE;
+        final int userStart = user.getLower();
+        final int userStop = user.getUpper();
         // Set always-on without lockdown.
         assertTrue(vpn.setAlwaysOnPackage(PKGS[1], false, null));
 
         // Set always-on with lockdown.
         assertTrue(vpn.setAlwaysOnPackage(PKGS[1], true, null));
         verify(mConnectivityManager).setRequireVpnForUids(true, toRanges(new UidRangeParcel[] {
-                new UidRangeParcel(user.start, user.start + PKG_UIDS[1] - 1),
-                new UidRangeParcel(user.start + PKG_UIDS[1] + 1, user.stop)
+                new UidRangeParcel(userStart, userStart + PKG_UIDS[1] - 1),
+                new UidRangeParcel(userStart + PKG_UIDS[1] + 1, userStop)
         }));
 
         // Switch to another app.
         assertTrue(vpn.setAlwaysOnPackage(PKGS[3], true, null));
         verify(mConnectivityManager).setRequireVpnForUids(false, toRanges(new UidRangeParcel[] {
-                new UidRangeParcel(user.start, user.start + PKG_UIDS[1] - 1),
-                new UidRangeParcel(user.start + PKG_UIDS[1] + 1, user.stop)
+                new UidRangeParcel(userStart, userStart + PKG_UIDS[1] - 1),
+                new UidRangeParcel(userStart + PKG_UIDS[1] + 1, userStop)
         }));
         verify(mConnectivityManager).setRequireVpnForUids(true, toRanges(new UidRangeParcel[] {
-                new UidRangeParcel(user.start, user.start + PKG_UIDS[3] - 1),
-                new UidRangeParcel(user.start + PKG_UIDS[3] + 1, user.stop)
+                new UidRangeParcel(userStart, userStart + PKG_UIDS[3] - 1),
+                new UidRangeParcel(userStart + PKG_UIDS[3] + 1, userStop)
         }));
     }
 
     @Test
     public void testLockdownAllowlist() throws Exception {
         final Vpn vpn = createVpn(primaryUser.id);
-        final UidRange user = PRI_USER_RANGE;
-
+        final Range<Integer> user = PRI_USER_RANGE;
+        final int userStart = user.getLower();
+        final int userStop = user.getUpper();
         // Set always-on with lockdown and allow app PKGS[2] from lockdown.
         assertTrue(vpn.setAlwaysOnPackage(
                 PKGS[1], true, Collections.singletonList(PKGS[2])));
-        verify(mConnectivityManager).setRequireVpnForUids(true, toRanges(new UidRangeParcel[] {
-                new UidRangeParcel(user.start, user.start + PKG_UIDS[1] - 1),
-                new UidRangeParcel(user.start + PKG_UIDS[2] + 1, user.stop)
+        verify(mConnectivityManager).setRequireVpnForUids(true, toRanges(new UidRangeParcel[]  {
+                new UidRangeParcel(userStart, userStart + PKG_UIDS[1] - 1),
+                new UidRangeParcel(userStart + PKG_UIDS[2] + 1, userStop)
         }));
         // Change allowed app list to PKGS[3].
         assertTrue(vpn.setAlwaysOnPackage(
                 PKGS[1], true, Collections.singletonList(PKGS[3])));
         verify(mConnectivityManager).setRequireVpnForUids(false, toRanges(new UidRangeParcel[] {
-                new UidRangeParcel(user.start + PKG_UIDS[2] + 1, user.stop)
+                new UidRangeParcel(userStart + PKG_UIDS[2] + 1, userStop)
         }));
         verify(mConnectivityManager).setRequireVpnForUids(true, toRanges(new UidRangeParcel[] {
-                new UidRangeParcel(user.start + PKG_UIDS[1] + 1, user.start + PKG_UIDS[3] - 1),
-                new UidRangeParcel(user.start + PKG_UIDS[3] + 1, user.stop)
+                new UidRangeParcel(userStart + PKG_UIDS[1] + 1, userStart + PKG_UIDS[3] - 1),
+                new UidRangeParcel(userStart + PKG_UIDS[3] + 1, userStop)
         }));
 
         // Change the VPN app.
         assertTrue(vpn.setAlwaysOnPackage(
                 PKGS[0], true, Collections.singletonList(PKGS[3])));
         verify(mConnectivityManager).setRequireVpnForUids(false, toRanges(new UidRangeParcel[] {
-                new UidRangeParcel(user.start, user.start + PKG_UIDS[1] - 1),
-                new UidRangeParcel(user.start + PKG_UIDS[1] + 1, user.start + PKG_UIDS[3] - 1)
+                new UidRangeParcel(userStart, userStart + PKG_UIDS[1] - 1),
+                new UidRangeParcel(userStart + PKG_UIDS[1] + 1, userStart + PKG_UIDS[3] - 1)
         }));
         verify(mConnectivityManager).setRequireVpnForUids(true, toRanges(new UidRangeParcel[] {
-                new UidRangeParcel(user.start, user.start + PKG_UIDS[0] - 1),
-                new UidRangeParcel(user.start + PKG_UIDS[0] + 1, user.start + PKG_UIDS[3] - 1)
+                new UidRangeParcel(userStart, userStart + PKG_UIDS[0] - 1),
+                new UidRangeParcel(userStart + PKG_UIDS[0] + 1, userStart + PKG_UIDS[3] - 1)
         }));
 
         // Remove the list of allowed packages.
         assertTrue(vpn.setAlwaysOnPackage(PKGS[0], true, null));
         verify(mConnectivityManager).setRequireVpnForUids(false, toRanges(new UidRangeParcel[] {
-                new UidRangeParcel(user.start + PKG_UIDS[0] + 1, user.start + PKG_UIDS[3] - 1),
-                new UidRangeParcel(user.start + PKG_UIDS[3] + 1, user.stop)
+                new UidRangeParcel(userStart + PKG_UIDS[0] + 1, userStart + PKG_UIDS[3] - 1),
+                new UidRangeParcel(userStart + PKG_UIDS[3] + 1, userStop)
         }));
         verify(mConnectivityManager).setRequireVpnForUids(true, toRanges(new UidRangeParcel[] {
-                new UidRangeParcel(user.start + PKG_UIDS[0] + 1, user.stop),
+                new UidRangeParcel(userStart + PKG_UIDS[0] + 1, userStop),
         }));
 
         // Add the list of allowed packages.
         assertTrue(vpn.setAlwaysOnPackage(
                 PKGS[0], true, Collections.singletonList(PKGS[1])));
         verify(mConnectivityManager).setRequireVpnForUids(false, toRanges(new UidRangeParcel[] {
-                new UidRangeParcel(user.start + PKG_UIDS[0] + 1, user.stop)
+                new UidRangeParcel(userStart + PKG_UIDS[0] + 1, userStop)
         }));
         verify(mConnectivityManager).setRequireVpnForUids(true, toRanges(new UidRangeParcel[] {
-                new UidRangeParcel(user.start + PKG_UIDS[0] + 1, user.start + PKG_UIDS[1] - 1),
-                new UidRangeParcel(user.start + PKG_UIDS[1] + 1, user.stop)
+                new UidRangeParcel(userStart + PKG_UIDS[0] + 1, userStart + PKG_UIDS[1] - 1),
+                new UidRangeParcel(userStart + PKG_UIDS[1] + 1, userStop)
         }));
 
         // Try allowing a package with a comma, should be rejected.
@@ -439,12 +456,12 @@
         assertTrue(vpn.setAlwaysOnPackage(
                 PKGS[0], true, Arrays.asList("com.foo.app", PKGS[2], "com.bar.app")));
         verify(mConnectivityManager).setRequireVpnForUids(false, toRanges(new UidRangeParcel[] {
-                new UidRangeParcel(user.start + PKG_UIDS[0] + 1, user.start + PKG_UIDS[1] - 1),
-                new UidRangeParcel(user.start + PKG_UIDS[1] + 1, user.stop)
+                new UidRangeParcel(userStart + PKG_UIDS[0] + 1, userStart + PKG_UIDS[1] - 1),
+                new UidRangeParcel(userStart + PKG_UIDS[1] + 1, userStop)
         }));
         verify(mConnectivityManager).setRequireVpnForUids(true, toRanges(new UidRangeParcel[] {
-                new UidRangeParcel(user.start + PKG_UIDS[0] + 1, user.start + PKG_UIDS[2] - 1),
-                new UidRangeParcel(user.start + PKG_UIDS[2] + 1, user.stop)
+                new UidRangeParcel(userStart + PKG_UIDS[0] + 1, userStart + PKG_UIDS[2] - 1),
+                new UidRangeParcel(userStart + PKG_UIDS[2] + 1, userStop)
         }));
     }
 
@@ -452,7 +469,7 @@
     public void testLockdownRuleRepeatability() throws Exception {
         final Vpn vpn = createVpn(primaryUser.id);
         final UidRangeParcel[] primaryUserRangeParcel = new UidRangeParcel[] {
-                new UidRangeParcel(PRI_USER_RANGE.start, PRI_USER_RANGE.stop)};
+                new UidRangeParcel(PRI_USER_RANGE.getLower(), PRI_USER_RANGE.getUpper())};
         // Given legacy lockdown is already enabled,
         vpn.setLockdown(true);
         verify(mConnectivityManager, times(1)).setRequireVpnForUids(true,
@@ -484,7 +501,7 @@
     public void testLockdownRuleReversibility() throws Exception {
         final Vpn vpn = createVpn(primaryUser.id);
         final UidRangeParcel[] entireUser = {
-            new UidRangeParcel(PRI_USER_RANGE.start, PRI_USER_RANGE.stop)
+            new UidRangeParcel(PRI_USER_RANGE.getLower(), PRI_USER_RANGE.getUpper())
         };
         final UidRangeParcel[] exceptPkg0 = {
             new UidRangeParcel(entireUser[0].start, entireUser[0].start + PKG_UIDS[0] - 1),