diff --git a/core/java/android/net/CaptivePortalData.java b/core/java/android/net/CaptivePortalData.java
index c443c75..59e62a6 100644
--- a/core/java/android/net/CaptivePortalData.java
+++ b/core/java/android/net/CaptivePortalData.java
@@ -252,7 +252,7 @@
     }
 
     @Override
-    public boolean equals(Object obj) {
+    public boolean equals(@Nullable Object obj) {
         if (!(obj instanceof CaptivePortalData)) return false;
         final CaptivePortalData other = (CaptivePortalData) obj;
         return mRefreshTimeMillis == other.mRefreshTimeMillis
diff --git a/core/java/android/net/ConnectivityManager.java b/core/java/android/net/ConnectivityManager.java
index 8fd2995..224113f 100644
--- a/core/java/android/net/ConnectivityManager.java
+++ b/core/java/android/net/ConnectivityManager.java
@@ -354,7 +354,7 @@
      * @hide
      */
     @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     public static final String ACTION_TETHER_STATE_CHANGED =
             TetheringManager.ACTION_TETHER_STATE_CHANGED;
 
@@ -363,7 +363,7 @@
      * gives a String[] listing all the interfaces configured for
      * tethering and currently available for tethering.
      */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     public static final String EXTRA_AVAILABLE_TETHER = TetheringManager.EXTRA_AVAILABLE_TETHER;
 
     /**
@@ -378,7 +378,7 @@
      * gives a String[] listing all the interfaces currently tethered
      * (ie, has DHCPv4 support and packets potentially forwarded/NATed)
      */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     public static final String EXTRA_ACTIVE_TETHER = TetheringManager.EXTRA_ACTIVE_TETHER;
 
     /**
@@ -387,7 +387,7 @@
      * failed.  Use {@link #getLastTetherError} to find the error code
      * for any interfaces listed here.
      */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     public static final String EXTRA_ERRORED_TETHER = TetheringManager.EXTRA_ERRORED_TETHER;
 
     /**
@@ -850,7 +850,7 @@
      * {@hide}
      */
     @Deprecated
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     public static String getNetworkTypeName(int type) {
         switch (type) {
           case TYPE_NONE:
@@ -1173,7 +1173,7 @@
      * {@hide}
      */
     @RequiresPermission(android.Manifest.permission.NETWORK_STACK)
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     public NetworkInfo getActiveNetworkInfoForUid(int uid) {
         return getActiveNetworkInfoForUid(uid, false);
     }
@@ -1520,7 +1520,7 @@
         return 1;
     }
 
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     private NetworkCapabilities networkCapabilitiesForFeature(int networkType, String feature) {
         if (networkType == TYPE_MOBILE) {
             switch (feature) {
@@ -1606,7 +1606,7 @@
         };
     }
 
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     private static final HashMap<NetworkCapabilities, LegacyRequest> sLegacyRequests =
             new HashMap<>();
 
@@ -1635,7 +1635,7 @@
         Log.d(TAG, "expireRequest with " + ourSeqNum + ", " + sequenceNum);
     }
 
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     private NetworkRequest requestNetworkForFeatureLocked(NetworkCapabilities netCap) {
         int delay = -1;
         int type = legacyTypeForNetworkCapabilities(netCap);
@@ -1665,7 +1665,7 @@
         }
     }
 
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     private boolean removeRequestForFeature(NetworkCapabilities netCap) {
         final LegacyRequest l;
         synchronized (sLegacyRequests) {
@@ -1732,17 +1732,17 @@
 
     /** @hide */
     public static class PacketKeepaliveCallback {
-        @UnsupportedAppUsage
+        @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
         public PacketKeepaliveCallback() {
         }
         /** The requested keepalive was successfully started. */
-        @UnsupportedAppUsage
+        @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
         public void onStarted() {}
         /** The keepalive was successfully stopped. */
-        @UnsupportedAppUsage
+        @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
         public void onStopped() {}
         /** An error occurred. */
-        @UnsupportedAppUsage
+        @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
         public void onError(int error) {}
     }
 
@@ -1806,7 +1806,7 @@
 
         private volatile Integer mSlot;
 
-        @UnsupportedAppUsage
+        @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
         public void stop() {
             try {
                 mExecutor.execute(() -> {
@@ -1875,7 +1875,7 @@
      *
      * @hide
      */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     public PacketKeepalive startNattKeepalive(
             Network network, int intervalSeconds, PacketKeepaliveCallback callback,
             InetAddress srcAddr, int srcPort, InetAddress dstAddr) {
@@ -2066,7 +2066,7 @@
      */
     // TODO: Remove method and replace with direct call once R code is pushed to AOSP
     private @Nullable String getAttributionTag() {
-        return null;
+        return mContext.getAttributionTag();
     }
 
     /**
@@ -2110,7 +2110,7 @@
 
     /** {@hide} */
     @Deprecated
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     public NetworkQuotaInfo getActiveNetworkQuotaInfo() {
         try {
             return mService.getActiveNetworkQuotaInfo();
@@ -2277,7 +2277,7 @@
             int uid, @NonNull String callingPackage, @Nullable String callingAttributionTag,
             boolean throwException) {
         return Settings.checkAndNoteChangeNetworkStateOperation(context, uid, callingPackage,
-                throwException);
+                callingAttributionTag, throwException);
     }
 
     /**
@@ -2291,7 +2291,7 @@
             @NonNull String callingPackage, @Nullable String callingAttributionTag,
             boolean throwException) {
         return Settings.checkAndNoteWriteSettingsOperation(context, uid, callingPackage,
-                throwException);
+                callingAttributionTag, throwException);
     }
 
     /**
@@ -2408,7 +2408,7 @@
      *
      * {@hide}
      */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     @Deprecated
     public int tether(String iface) {
         return mTetheringManager.tether(iface);
@@ -2849,7 +2849,7 @@
      * {@hide}
      */
     @RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE)
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     @Deprecated
     public int getLastTetherError(String iface) {
         int error = mTetheringManager.getLastTetherError(iface);
@@ -4659,7 +4659,7 @@
      * @deprecated This is strictly for legacy usage to support {@link #startUsingNetworkFeature}.
      */
     @Deprecated
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     public static boolean setProcessDefaultNetworkForHostResolution(Network network) {
         return NetworkUtils.bindProcessToNetworkForHostResolution(
                 (network == null) ? NETID_UNSET : network.getNetIdForResolv());
diff --git a/core/java/android/net/IConnectivityManager.aidl b/core/java/android/net/IConnectivityManager.aidl
index 059ec28..4173200 100644
--- a/core/java/android/net/IConnectivityManager.aidl
+++ b/core/java/android/net/IConnectivityManager.aidl
@@ -73,7 +73,7 @@
 
     NetworkCapabilities getNetworkCapabilities(in Network network, String callingPackageName);
 
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = 30, trackingBug = 170729553)
     NetworkState[] getAllNetworkState();
 
     NetworkQuotaInfo getActiveNetworkQuotaInfo();
@@ -134,7 +134,7 @@
 
     VpnConfig getVpnConfig(int userId);
 
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = 30, trackingBug = 170729553)
     void startLegacyVpn(in VpnProfile profile);
 
     LegacyVpnInfo getLegacyVpnInfo(int userId);
diff --git a/core/java/android/net/IpConfiguration.java b/core/java/android/net/IpConfiguration.java
index 23d5ff7..d5f8b2e 100644
--- a/core/java/android/net/IpConfiguration.java
+++ b/core/java/android/net/IpConfiguration.java
@@ -21,6 +21,7 @@
 import android.annotation.SuppressLint;
 import android.annotation.SystemApi;
 import android.compat.annotation.UnsupportedAppUsage;
+import android.os.Build;
 import android.os.Parcel;
 import android.os.Parcelable;
 
@@ -98,7 +99,7 @@
     }
 
     /** @hide */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     public IpConfiguration(IpAssignment ipAssignment,
                            ProxySettings proxySettings,
                            StaticIpConfiguration staticIpConfiguration,
@@ -166,7 +167,7 @@
     }
 
     @Override
-    public boolean equals(Object o) {
+    public boolean equals(@Nullable Object o) {
         if (o == this) {
             return true;
         }
diff --git a/core/java/android/net/IpPrefix.java b/core/java/android/net/IpPrefix.java
index e7c8014..bcb65fa 100644
--- a/core/java/android/net/IpPrefix.java
+++ b/core/java/android/net/IpPrefix.java
@@ -18,6 +18,7 @@
 
 import android.annotation.IntRange;
 import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.annotation.SystemApi;
 import android.os.Parcel;
 import android.os.Parcelable;
@@ -124,7 +125,7 @@
      * @return {@code true} if both objects are equal, {@code false} otherwise.
      */
     @Override
-    public boolean equals(Object obj) {
+    public boolean equals(@Nullable Object obj) {
         if (!(obj instanceof IpPrefix)) {
             return false;
         }
diff --git a/core/java/android/net/LinkAddress.java b/core/java/android/net/LinkAddress.java
index 44d25a1..d1bdaa0 100644
--- a/core/java/android/net/LinkAddress.java
+++ b/core/java/android/net/LinkAddress.java
@@ -349,7 +349,7 @@
      * @return {@code true} if both objects are equal, {@code false} otherwise.
      */
     @Override
-    public boolean equals(Object obj) {
+    public boolean equals(@Nullable Object obj) {
         if (!(obj instanceof LinkAddress)) {
             return false;
         }
diff --git a/core/java/android/net/LinkProperties.java b/core/java/android/net/LinkProperties.java
index 616ccbe..209a3fa 100644
--- a/core/java/android/net/LinkProperties.java
+++ b/core/java/android/net/LinkProperties.java
@@ -111,7 +111,7 @@
      *
      * @hide
      */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     public static ProvisioningChange compareProvisioning(
             LinkProperties before, LinkProperties after) {
         if (before.isProvisioned() && after.isProvisioned()) {
@@ -849,7 +849,7 @@
      * Returns all the links stacked on top of this link.
      * @hide
      */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     public @NonNull List<LinkProperties> getStackedLinks() {
         if (mStackedLinks.isEmpty()) {
             return Collections.emptyList();
@@ -1448,7 +1448,7 @@
      * @return {@code true} if both are identical, {@code false} otherwise.
      * @hide
      */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     public boolean isIdenticalStackedLinks(@NonNull LinkProperties target) {
         if (!mStackedLinks.keySet().equals(target.mStackedLinks.keySet())) {
             return false;
@@ -1611,7 +1611,7 @@
      * @return {@code true} if both objects are equal, {@code false} otherwise.
      */
     @Override
-    public boolean equals(Object obj) {
+    public boolean equals(@Nullable Object obj) {
         if (this == obj) return true;
 
         if (!(obj instanceof LinkProperties)) return false;
diff --git a/core/java/android/net/MacAddress.java b/core/java/android/net/MacAddress.java
index 0eb3c1e..049e9bc 100644
--- a/core/java/android/net/MacAddress.java
+++ b/core/java/android/net/MacAddress.java
@@ -22,6 +22,7 @@
 import android.compat.annotation.UnsupportedAppUsage;
 import android.net.util.MacAddressUtils;
 import android.net.wifi.WifiInfo;
+import android.os.Build;
 import android.os.Parcel;
 import android.os.Parcelable;
 
@@ -58,7 +59,7 @@
      * <p>Not publicly exposed or treated specially since the OUI 00:00:00 is registered.
      * @hide
      */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     public static final MacAddress ALL_ZEROS_ADDRESS = new MacAddress(0);
 
     /** @hide */
@@ -160,7 +161,7 @@
     }
 
     @Override
-    public boolean equals(Object o) {
+    public boolean equals(@Nullable Object o) {
         return (o instanceof MacAddress) && ((MacAddress) o).mAddr == mAddr;
     }
 
diff --git a/core/java/android/net/Network.java b/core/java/android/net/Network.java
index 2561938..53996a5 100644
--- a/core/java/android/net/Network.java
+++ b/core/java/android/net/Network.java
@@ -17,8 +17,10 @@
 package android.net;
 
 import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.annotation.SystemApi;
 import android.compat.annotation.UnsupportedAppUsage;
+import android.os.Build;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.system.ErrnoException;
@@ -109,7 +111,7 @@
     /**
      * @hide
      */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     public Network(int netId) {
         this(netId, false);
     }
@@ -496,7 +498,7 @@
     };
 
     @Override
-    public boolean equals(Object obj) {
+    public boolean equals(@Nullable Object obj) {
         if (!(obj instanceof Network)) return false;
         Network other = (Network)obj;
         return this.netId == other.netId;
diff --git a/core/java/android/net/NetworkCapabilities.java b/core/java/android/net/NetworkCapabilities.java
index 12ddc62..f806b56 100644
--- a/core/java/android/net/NetworkCapabilities.java
+++ b/core/java/android/net/NetworkCapabilities.java
@@ -133,7 +133,7 @@
      * Represents the network's capabilities.  If any are specified they will be satisfied
      * by any Network that matches all of them.
      */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     private long mNetworkCapabilities;
 
     /**
@@ -1288,7 +1288,7 @@
      *
      * @hide
      */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     public boolean hasSignalStrength() {
         return mSignalStrength > SIGNAL_STRENGTH_UNSPECIFIED;
     }
@@ -1927,7 +1927,7 @@
     /**
      * @hide
      */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     public static @NonNull String transportNamesOf(@Nullable @Transport int[] types) {
         StringJoiner joiner = new StringJoiner("|");
         if (types != null) {
diff --git a/core/java/android/net/NetworkRequest.java b/core/java/android/net/NetworkRequest.java
index 473e6c5..6209718 100644
--- a/core/java/android/net/NetworkRequest.java
+++ b/core/java/android/net/NetworkRequest.java
@@ -43,7 +43,7 @@
      * The {@link NetworkCapabilities} that define this request.
      * @hide
      */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     public final @NonNull NetworkCapabilities networkCapabilities;
 
     /**
@@ -52,7 +52,7 @@
      * the request.
      * @hide
      */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     public final int requestId;
 
     /**
@@ -553,7 +553,7 @@
         proto.end(token);
     }
 
-    public boolean equals(Object obj) {
+    public boolean equals(@Nullable Object obj) {
         if (obj instanceof NetworkRequest == false) return false;
         NetworkRequest that = (NetworkRequest)obj;
         return (that.legacyType == this.legacyType &&
diff --git a/core/java/android/net/NetworkUtils.java b/core/java/android/net/NetworkUtils.java
index 1e5b6d5..a0faafa 100644
--- a/core/java/android/net/NetworkUtils.java
+++ b/core/java/android/net/NetworkUtils.java
@@ -98,7 +98,7 @@
      * this socket will go directly to the underlying network, so its traffic will not be
      * forwarded through the VPN.
      */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     public static boolean protectFromVpn(FileDescriptor fd) {
         return protectFromVpn(fd.getInt$());
     }
@@ -223,7 +223,7 @@
      * @hide
      * @deprecated use {@link Inet4AddressUtils#netmaskToPrefixLength(Inet4Address)}
      */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     @Deprecated
     public static int netmaskToPrefixLength(Inet4Address netmask) {
         // This is only here because some apps seem to be using it (@UnsupportedAppUsage).
@@ -290,7 +290,7 @@
     /**
      * Returns the implicit netmask of an IPv4 address, as was the custom before 1993.
      */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     public static int getImplicitNetmask(Inet4Address address) {
         // Only here because it seems to be used by apps
         return Inet4AddressUtils.getImplicitNetmask(address);
diff --git a/core/java/android/net/ProxyInfo.java b/core/java/android/net/ProxyInfo.java
index a32b41f..de5a180 100644
--- a/core/java/android/net/ProxyInfo.java
+++ b/core/java/android/net/ProxyInfo.java
@@ -275,7 +275,7 @@
     }
 
     @Override
-    public boolean equals(Object o) {
+    public boolean equals(@Nullable Object o) {
         if (!(o instanceof ProxyInfo)) return false;
         ProxyInfo p = (ProxyInfo)o;
         // If PAC URL is present in either then they must be equal.
diff --git a/core/java/android/net/RouteInfo.java b/core/java/android/net/RouteInfo.java
index 62aebb0..2543aa3 100644
--- a/core/java/android/net/RouteInfo.java
+++ b/core/java/android/net/RouteInfo.java
@@ -232,7 +232,7 @@
      *
      * @hide
      */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     public RouteInfo(@Nullable IpPrefix destination, @Nullable InetAddress gateway,
             @Nullable String iface) {
         this(destination, gateway, iface, RTN_UNICAST);
@@ -501,7 +501,7 @@
      *
      * @hide
      */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     @Nullable
     public static RouteInfo selectBestRoute(Collection<RouteInfo> routes, InetAddress dest) {
         return NetUtils.selectBestRoute(routes, dest);
@@ -533,7 +533,7 @@
      * Compares this RouteInfo object against the specified object and indicates if they are equal.
      * @return {@code true} if the objects are equal, {@code false} otherwise.
      */
-    public boolean equals(Object obj) {
+    public boolean equals(@Nullable Object obj) {
         if (this == obj) return true;
 
         if (!(obj instanceof RouteInfo)) return false;
@@ -569,7 +569,7 @@
         }
 
         @Override
-        public boolean equals(Object o) {
+        public boolean equals(@Nullable Object o) {
             if (!(o instanceof RouteKey)) {
                 return false;
             }
diff --git a/core/java/android/net/StaticIpConfiguration.java b/core/java/android/net/StaticIpConfiguration.java
index f56d656..ce54597 100644
--- a/core/java/android/net/StaticIpConfiguration.java
+++ b/core/java/android/net/StaticIpConfiguration.java
@@ -20,6 +20,7 @@
 import android.annotation.Nullable;
 import android.annotation.SystemApi;
 import android.compat.annotation.UnsupportedAppUsage;
+import android.os.Build;
 import android.os.Parcel;
 import android.os.Parcelable;
 
@@ -53,19 +54,19 @@
 @SystemApi
 public final class StaticIpConfiguration implements Parcelable {
     /** @hide */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     @Nullable
     public LinkAddress ipAddress;
     /** @hide */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     @Nullable
     public InetAddress gateway;
     /** @hide */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     @NonNull
     public final ArrayList<InetAddress> dnsServers;
     /** @hide */
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     @Nullable
     public String domains;
 
diff --git a/core/java/android/net/UidRange.java b/core/java/android/net/UidRange.java
index d75c43d..3bc0f9c 100644
--- a/core/java/android/net/UidRange.java
+++ b/core/java/android/net/UidRange.java
@@ -18,6 +18,7 @@
 
 import static android.os.UserHandle.PER_USER_RANGE;
 
+import android.annotation.Nullable;
 import android.os.Parcel;
 import android.os.Parcelable;
 
@@ -81,7 +82,7 @@
     }
 
     @Override
-    public boolean equals(Object o) {
+    public boolean equals(@Nullable Object o) {
         if (this == o) {
             return true;
         }
diff --git a/services/core/java/com/android/server/connectivity/PermissionMonitor.java b/services/core/java/com/android/server/connectivity/PermissionMonitor.java
index a75a80a..4c63eb4 100644
--- a/services/core/java/com/android/server/connectivity/PermissionMonitor.java
+++ b/services/core/java/com/android/server/connectivity/PermissionMonitor.java
@@ -174,7 +174,7 @@
             netdPermsUids.put(uid, netdPermsUids.get(uid) | otherNetdPerms);
         }
 
-        List<UserInfo> users = mUserManager.getUsers(true);  // exclude dying users
+        List<UserInfo> users = mUserManager.getAliveUsers();
         if (users != null) {
             for (UserInfo user : users) {
                 mUsers.add(user.id);
diff --git a/tests/net/java/com/android/server/ConnectivityServiceTest.java b/tests/net/java/com/android/server/ConnectivityServiceTest.java
index 3a46291..7470cd8 100644
--- a/tests/net/java/com/android/server/ConnectivityServiceTest.java
+++ b/tests/net/java/com/android/server/ConnectivityServiceTest.java
@@ -1212,7 +1212,7 @@
         MockitoAnnotations.initMocks(this);
         when(mMetricsService.defaultNetworkMetrics()).thenReturn(mDefaultNetworkMetrics);
 
-        when(mUserManager.getUsers(eq(true))).thenReturn(
+        when(mUserManager.getAliveUsers()).thenReturn(
                 Arrays.asList(new UserInfo[] {
                         new UserInfo(VPN_USER, "", 0),
                 }));
@@ -3070,7 +3070,7 @@
      * @return the context's attribution tag
      */
     private String getAttributionTag() {
-        return null;
+        return mContext.getAttributionTag();
     }
 
     @Test
diff --git a/tests/net/java/com/android/server/connectivity/PermissionMonitorTest.java b/tests/net/java/com/android/server/connectivity/PermissionMonitorTest.java
index 5a29c2c..de35f91 100644
--- a/tests/net/java/com/android/server/connectivity/PermissionMonitorTest.java
+++ b/tests/net/java/com/android/server/connectivity/PermissionMonitorTest.java
@@ -123,7 +123,7 @@
         MockitoAnnotations.initMocks(this);
         when(mContext.getPackageManager()).thenReturn(mPackageManager);
         when(mContext.getSystemService(eq(Context.USER_SERVICE))).thenReturn(mUserManager);
-        when(mUserManager.getUsers(eq(true))).thenReturn(
+        when(mUserManager.getAliveUsers()).thenReturn(
                 Arrays.asList(new UserInfo[] {
                         new UserInfo(MOCK_USER1, "", 0),
                         new UserInfo(MOCK_USER2, "", 0),
diff --git a/tests/net/java/com/android/server/connectivity/VpnTest.java b/tests/net/java/com/android/server/connectivity/VpnTest.java
index 2fa0914..e3ba3e1 100644
--- a/tests/net/java/com/android/server/connectivity/VpnTest.java
+++ b/tests/net/java/com/android/server/connectivity/VpnTest.java
@@ -1308,15 +1308,14 @@
          * @see UserManagerService#getUsers(boolean)
          */
         doAnswer(invocation -> {
-            final boolean excludeDying = (boolean) invocation.getArguments()[0];
             final ArrayList<UserInfo> result = new ArrayList<>(users.length);
             for (UserInfo ui : users) {
-                if (!excludeDying || (ui.isEnabled() && !ui.partial)) {
+                if (ui.isEnabled() && !ui.partial) {
                     result.add(ui);
                 }
             }
             return result;
-        }).when(mUserManager).getUsers(anyBoolean());
+        }).when(mUserManager).getAliveUsers();
 
         doAnswer(invocation -> {
             final int id = (int) invocation.getArguments()[0];
diff --git a/tests/net/java/com/android/server/net/NetworkStatsAccessTest.java b/tests/net/java/com/android/server/net/NetworkStatsAccessTest.java
index 858358c..8b730af 100644
--- a/tests/net/java/com/android/server/net/NetworkStatsAccessTest.java
+++ b/tests/net/java/com/android/server/net/NetworkStatsAccessTest.java
@@ -22,7 +22,6 @@
 import android.Manifest;
 import android.Manifest.permission;
 import android.app.AppOpsManager;
-import android.app.admin.DeviceAdminInfo;
 import android.app.admin.DevicePolicyManagerInternal;
 import android.content.Context;
 import android.content.pm.PackageManager;
@@ -167,13 +166,11 @@
     }
 
     private void setIsDeviceOwner(boolean isOwner) {
-        when(mDpmi.isActiveAdminWithPolicy(TEST_UID, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER))
-                .thenReturn(isOwner);
+        when(mDpmi.isActiveDeviceOwner(TEST_UID)).thenReturn(isOwner);
     }
 
     private void setIsProfileOwner(boolean isOwner) {
-        when(mDpmi.isActiveAdminWithPolicy(TEST_UID, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER))
-                .thenReturn(isOwner);
+        when(mDpmi.isActiveProfileOwner(TEST_UID)).thenReturn(isOwner);
     }
 
     private void setHasAppOpsPermission(int appOpsMode, boolean hasPermission) {