diff --git a/framework/api/current.txt b/framework/api/current.txt
index 7692e30..715a532 100644
--- a/framework/api/current.txt
+++ b/framework/api/current.txt
@@ -310,6 +310,7 @@
     field public static final int NET_CAPABILITY_ENTERPRISE = 29; // 0x1d
     field public static final int NET_CAPABILITY_FOREGROUND = 19; // 0x13
     field public static final int NET_CAPABILITY_FOTA = 3; // 0x3
+    field public static final int NET_CAPABILITY_HEAD_UNIT = 32; // 0x20
     field public static final int NET_CAPABILITY_IA = 7; // 0x7
     field public static final int NET_CAPABILITY_IMS = 4; // 0x4
     field public static final int NET_CAPABILITY_INTERNET = 12; // 0xc
@@ -333,6 +334,7 @@
     field public static final int TRANSPORT_CELLULAR = 0; // 0x0
     field public static final int TRANSPORT_ETHERNET = 3; // 0x3
     field public static final int TRANSPORT_LOWPAN = 6; // 0x6
+    field public static final int TRANSPORT_USB = 8; // 0x8
     field public static final int TRANSPORT_VPN = 4; // 0x4
     field public static final int TRANSPORT_WIFI = 1; // 0x1
     field public static final int TRANSPORT_WIFI_AWARE = 5; // 0x5
diff --git a/framework/src/android/net/NetworkCapabilities.java b/framework/src/android/net/NetworkCapabilities.java
index 3a07db3..ec71d3d 100644
--- a/framework/src/android/net/NetworkCapabilities.java
+++ b/framework/src/android/net/NetworkCapabilities.java
@@ -262,6 +262,7 @@
             NET_CAPABILITY_ENTERPRISE,
             NET_CAPABILITY_VSIM,
             NET_CAPABILITY_BIP,
+            NET_CAPABILITY_HEAD_UNIT,
     })
     public @interface NetCapability { }
 
@@ -495,8 +496,13 @@
     @SystemApi
     public static final int NET_CAPABILITY_BIP = 31;
 
+    /**
+     * Indicates that this network is connected to an automotive head unit.
+     */
+    public static final int NET_CAPABILITY_HEAD_UNIT = 32;
+
     private static final int MIN_NET_CAPABILITY = NET_CAPABILITY_MMS;
-    private static final int MAX_NET_CAPABILITY = NET_CAPABILITY_BIP;
+    private static final int MAX_NET_CAPABILITY = NET_CAPABILITY_HEAD_UNIT;
 
     /**
      * Network capabilities that are expected to be mutable, i.e., can change while a particular
@@ -514,7 +520,10 @@
             | (1 << NET_CAPABILITY_NOT_SUSPENDED)
             | (1 << NET_CAPABILITY_PARTIAL_CONNECTIVITY)
             | (1 << NET_CAPABILITY_TEMPORARILY_NOT_METERED)
-            | (1 << NET_CAPABILITY_NOT_VCN_MANAGED);
+            | (1 << NET_CAPABILITY_NOT_VCN_MANAGED)
+            // The value of NET_CAPABILITY_HEAD_UNIT is 32, which cannot use int to do bit shift,
+            // otherwise there will be an overflow. Use long to do bit shift instead.
+            | (1L << NET_CAPABILITY_HEAD_UNIT);
 
     /**
      * Network capabilities that are not allowed in NetworkRequests. This exists because the
@@ -868,6 +877,7 @@
             TRANSPORT_WIFI_AWARE,
             TRANSPORT_LOWPAN,
             TRANSPORT_TEST,
+            TRANSPORT_USB,
     })
     public @interface Transport { }
 
@@ -914,10 +924,15 @@
     @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
     public static final int TRANSPORT_TEST = 7;
 
+    /**
+     * Indicates this network uses a USB transport.
+     */
+    public static final int TRANSPORT_USB = 8;
+
     /** @hide */
     public static final int MIN_TRANSPORT = TRANSPORT_CELLULAR;
     /** @hide */
-    public static final int MAX_TRANSPORT = TRANSPORT_TEST;
+    public static final int MAX_TRANSPORT = TRANSPORT_USB;
 
     /** @hide */
     public static boolean isValidTransport(@Transport int transportType) {
@@ -932,7 +947,8 @@
         "VPN",
         "WIFI_AWARE",
         "LOWPAN",
-        "TEST"
+        "TEST",
+        "USB"
     };
 
     /**
@@ -2121,6 +2137,7 @@
             case NET_CAPABILITY_ENTERPRISE:           return "ENTERPRISE";
             case NET_CAPABILITY_VSIM:                 return "VSIM";
             case NET_CAPABILITY_BIP:                  return "BIP";
+            case NET_CAPABILITY_HEAD_UNIT:            return "HEAD_UNIT";
             default:                                  return Integer.toString(capability);
         }
     }
diff --git a/service/Android.bp b/service/Android.bp
index 848de12..7fe0e2b 100644
--- a/service/Android.bp
+++ b/service/Android.bp
@@ -65,7 +65,7 @@
         "ServiceConnectivityResources",
     ],
     static_libs: [
-        "dnsresolver_aidl_interface-V7-java",
+        "dnsresolver_aidl_interface-V8-java",
         "modules-utils-os",
         "net-utils-device-common",
         "net-utils-framework-common",
diff --git a/tests/unit/java/android/net/util/KeepaliveUtilsTest.kt b/tests/unit/java/android/net/util/KeepaliveUtilsTest.kt
index 40f39a4..9203f8f 100644
--- a/tests/unit/java/android/net/util/KeepaliveUtilsTest.kt
+++ b/tests/unit/java/android/net/util/KeepaliveUtilsTest.kt
@@ -104,7 +104,7 @@
 
         // Check valid customization generates expected array.
         val validRes = arrayOf("0,3", "1,0", "4,4")
-        val expectedValidRes = intArrayOf(3, 0, 0, 0, 4, 0, 0, 0)
+        val expectedValidRes = intArrayOf(3, 0, 0, 0, 4, 0, 0, 0, 0)
 
         val mockContext = getMockedContextWithStringArrayRes(
                 R.array.config_networkSupportedKeepaliveCount,