diff --git a/framework/Android.bp b/framework/Android.bp
index 3326ea9..ffca971 100644
--- a/framework/Android.bp
+++ b/framework/Android.bp
@@ -14,7 +14,6 @@
 // limitations under the License.
 //
 
-// TODO: use a java_library in the bootclasspath instead
 package {
     // See: http://go/android-license-faq
     // A large-scale-change added 'default_applicable_licenses' to import
@@ -24,14 +23,38 @@
     default_applicable_licenses: ["frameworks_base_license"],
 }
 
+// TODO: use a java_library in the bootclasspath instead
 filegroup {
-    name: "framework-connectivity-sources",
+    name: "framework-connectivity-internal-sources",
     srcs: [
         "src/**/*.java",
         "src/**/*.aidl",
     ],
     path: "src",
     visibility: [
+        "//visibility:private",
+    ],
+}
+
+filegroup {
+    name: "framework-connectivity-aidl-export-sources",
+    srcs: [
+        "aidl-export/**/*.aidl",
+    ],
+    path: "aidl-export",
+    visibility: [
+        "//visibility:private",
+    ],
+}
+
+// TODO: use a java_library in the bootclasspath instead
+filegroup {
+    name: "framework-connectivity-sources",
+    srcs: [
+        ":framework-connectivity-internal-sources",
+        ":framework-connectivity-aidl-export-sources",
+    ],
+    visibility: [
         "//frameworks/base",
         "//packages/modules/Connectivity:__subpackages__",
     ],
diff --git a/framework/src/android/net/CaptivePortalData.aidl b/framework/aidl-export/android/net/CaptivePortalData.aidl
similarity index 100%
rename from framework/src/android/net/CaptivePortalData.aidl
rename to framework/aidl-export/android/net/CaptivePortalData.aidl
diff --git a/framework/src/android/net/ConnectivityDiagnosticsManager.aidl b/framework/aidl-export/android/net/ConnectivityDiagnosticsManager.aidl
similarity index 100%
rename from framework/src/android/net/ConnectivityDiagnosticsManager.aidl
rename to framework/aidl-export/android/net/ConnectivityDiagnosticsManager.aidl
diff --git a/framework/src/android/net/DhcpInfo.aidl b/framework/aidl-export/android/net/DhcpInfo.aidl
similarity index 100%
rename from framework/src/android/net/DhcpInfo.aidl
rename to framework/aidl-export/android/net/DhcpInfo.aidl
diff --git a/framework/src/android/net/IpConfiguration.aidl b/framework/aidl-export/android/net/IpConfiguration.aidl
similarity index 100%
rename from framework/src/android/net/IpConfiguration.aidl
rename to framework/aidl-export/android/net/IpConfiguration.aidl
diff --git a/framework/src/android/net/IpPrefix.aidl b/framework/aidl-export/android/net/IpPrefix.aidl
similarity index 100%
rename from framework/src/android/net/IpPrefix.aidl
rename to framework/aidl-export/android/net/IpPrefix.aidl
diff --git a/framework/src/android/net/KeepalivePacketData.aidl b/framework/aidl-export/android/net/KeepalivePacketData.aidl
similarity index 100%
rename from framework/src/android/net/KeepalivePacketData.aidl
rename to framework/aidl-export/android/net/KeepalivePacketData.aidl
diff --git a/framework/src/android/net/LinkAddress.aidl b/framework/aidl-export/android/net/LinkAddress.aidl
similarity index 100%
rename from framework/src/android/net/LinkAddress.aidl
rename to framework/aidl-export/android/net/LinkAddress.aidl
diff --git a/framework/src/android/net/LinkProperties.aidl b/framework/aidl-export/android/net/LinkProperties.aidl
similarity index 100%
rename from framework/src/android/net/LinkProperties.aidl
rename to framework/aidl-export/android/net/LinkProperties.aidl
diff --git a/framework/src/android/net/MacAddress.aidl b/framework/aidl-export/android/net/MacAddress.aidl
similarity index 100%
rename from framework/src/android/net/MacAddress.aidl
rename to framework/aidl-export/android/net/MacAddress.aidl
diff --git a/framework/src/android/net/Network.aidl b/framework/aidl-export/android/net/Network.aidl
similarity index 100%
rename from framework/src/android/net/Network.aidl
rename to framework/aidl-export/android/net/Network.aidl
diff --git a/framework/src/android/net/NetworkAgentConfig.aidl b/framework/aidl-export/android/net/NetworkAgentConfig.aidl
similarity index 100%
rename from framework/src/android/net/NetworkAgentConfig.aidl
rename to framework/aidl-export/android/net/NetworkAgentConfig.aidl
diff --git a/framework/src/android/net/NetworkCapabilities.aidl b/framework/aidl-export/android/net/NetworkCapabilities.aidl
similarity index 100%
rename from framework/src/android/net/NetworkCapabilities.aidl
rename to framework/aidl-export/android/net/NetworkCapabilities.aidl
diff --git a/framework/src/android/net/NetworkInfo.aidl b/framework/aidl-export/android/net/NetworkInfo.aidl
similarity index 100%
rename from framework/src/android/net/NetworkInfo.aidl
rename to framework/aidl-export/android/net/NetworkInfo.aidl
diff --git a/framework/src/android/net/NetworkRequest.aidl b/framework/aidl-export/android/net/NetworkRequest.aidl
similarity index 100%
rename from framework/src/android/net/NetworkRequest.aidl
rename to framework/aidl-export/android/net/NetworkRequest.aidl
diff --git a/framework/src/android/net/ProxyInfo.aidl b/framework/aidl-export/android/net/ProxyInfo.aidl
similarity index 100%
rename from framework/src/android/net/ProxyInfo.aidl
rename to framework/aidl-export/android/net/ProxyInfo.aidl
diff --git a/framework/src/android/net/RouteInfo.aidl b/framework/aidl-export/android/net/RouteInfo.aidl
similarity index 100%
rename from framework/src/android/net/RouteInfo.aidl
rename to framework/aidl-export/android/net/RouteInfo.aidl
diff --git a/framework/src/android/net/StaticIpConfiguration.aidl b/framework/aidl-export/android/net/StaticIpConfiguration.aidl
similarity index 100%
rename from framework/src/android/net/StaticIpConfiguration.aidl
rename to framework/aidl-export/android/net/StaticIpConfiguration.aidl
diff --git a/framework/src/android/net/TestNetworkInterface.aidl b/framework/aidl-export/android/net/TestNetworkInterface.aidl
similarity index 100%
rename from framework/src/android/net/TestNetworkInterface.aidl
rename to framework/aidl-export/android/net/TestNetworkInterface.aidl
diff --git a/framework/src/android/net/apf/ApfCapabilities.aidl b/framework/aidl-export/android/net/apf/ApfCapabilities.aidl
similarity index 100%
rename from framework/src/android/net/apf/ApfCapabilities.aidl
rename to framework/aidl-export/android/net/apf/ApfCapabilities.aidl
diff --git a/framework/src/android/net/ConnectivityManager.java b/framework/src/android/net/ConnectivityManager.java
index f41a8cb..ace3a5c 100644
--- a/framework/src/android/net/ConnectivityManager.java
+++ b/framework/src/android/net/ConnectivityManager.java
@@ -4592,7 +4592,7 @@
             // Set HTTP proxy system properties to match network.
             // TODO: Deprecate this static method and replace it with a non-static version.
             try {
-                Proxy.setHttpProxySystemProperty(getInstance().getDefaultProxy());
+                Proxy.setHttpProxyConfiguration(getInstance().getDefaultProxy());
             } catch (SecurityException e) {
                 // The process doesn't have ACCESS_NETWORK_STATE, so we can't fetch the proxy.
                 Log.e(TAG, "Can't set proxy properties", e);
diff --git a/framework/src/android/net/ConnectivityMetricsEvent.aidl b/framework/src/android/net/ConnectivityMetricsEvent.aidl
deleted file mode 100644
index 1c541dc..0000000
--- a/framework/src/android/net/ConnectivityMetricsEvent.aidl
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * Copyright (C) 2016 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.
- */
-
-package android.net;
-
-/** {@hide} */
-parcelable ConnectivityMetricsEvent;
diff --git a/framework/src/android/net/InterfaceConfiguration.aidl b/framework/src/android/net/InterfaceConfiguration.aidl
deleted file mode 100644
index 8aa5e34..0000000
--- a/framework/src/android/net/InterfaceConfiguration.aidl
+++ /dev/null
@@ -1,19 +0,0 @@
-/**
- * Copyright (c) 2008, 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.
- */
-
-package android.net;
-
-parcelable InterfaceConfiguration;
diff --git a/framework/src/android/net/Proxy.java b/framework/src/android/net/Proxy.java
index 9cd7ab2..77c8a4f 100644
--- a/framework/src/android/net/Proxy.java
+++ b/framework/src/android/net/Proxy.java
@@ -16,8 +16,10 @@
 
 package android.net;
 
+import android.annotation.Nullable;
 import android.annotation.SdkConstant;
 import android.annotation.SdkConstant.SdkConstantType;
+import android.annotation.SystemApi;
 import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.os.Build;
@@ -185,7 +187,19 @@
 
     /** @hide */
     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
-    public static final void setHttpProxySystemProperty(ProxyInfo p) {
+    @Deprecated
+    public static void setHttpProxySystemProperty(ProxyInfo p) {
+        setHttpProxyConfiguration(p);
+    }
+
+    /**
+     * Set HTTP proxy configuration for the process to match the provided ProxyInfo.
+     *
+     * If the provided ProxyInfo is null, the proxy configuration will be cleared.
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static void setHttpProxyConfiguration(@Nullable ProxyInfo p) {
         String host = null;
         String port = null;
         String exclList = null;
@@ -196,11 +210,11 @@
             exclList = ProxyUtils.exclusionListAsString(p.getExclusionList());
             pacFileUrl = p.getPacFileUrl();
         }
-        setHttpProxySystemProperty(host, port, exclList, pacFileUrl);
+        setHttpProxyConfiguration(host, port, exclList, pacFileUrl);
     }
 
     /** @hide */
-    public static final void setHttpProxySystemProperty(String host, String port, String exclList,
+    public static void setHttpProxyConfiguration(String host, String port, String exclList,
             Uri pacFileUrl) {
         if (exclList != null) exclList = exclList.replace(",", "|");
         if (false) Log.d(TAG, "setHttpProxySystemProperty :"+host+":"+port+" - "+exclList);
diff --git a/framework/src/android/net/UidRange.aidl b/framework/src/android/net/UidRange.aidl
deleted file mode 100644
index f70fc8e..0000000
--- a/framework/src/android/net/UidRange.aidl
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright (C) 2018 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.
- */
-
-package android.net;
-
-/**
- * An inclusive range of UIDs.
- *
- * {@hide}
- */
-parcelable UidRange;
\ No newline at end of file
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index bd83804..f54551e 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -3734,7 +3734,12 @@
         // Looking up the app passed param request in mRequests isn't possible since it may return
         // null for a request managed by a per-app default. Therefore use getNriForAppRequest() to
         // do the lookup since that will also find per-app default managed requests.
-        final NetworkRequestInfo nri = getNriForAppRequest(request);
+        // Additionally, this lookup needs to be relatively fast (hence the lookup optimization)
+        // to avoid potential race conditions when validating a package->uid mapping when sending
+        // the callback on the very low-chance that an application shuts down prior to the callback
+        // being sent.
+        final NetworkRequestInfo nri = mNetworkRequests.get(request) != null
+                ? mNetworkRequests.get(request) : getNriForAppRequest(request);
 
         if (nri != null) {
             if (Process.SYSTEM_UID != callingUid && Process.NETWORK_STACK_UID != callingUid
diff --git a/tests/net/java/com/android/server/ConnectivityServiceTest.java b/tests/net/java/com/android/server/ConnectivityServiceTest.java
index e9c3577..7129c09 100644
--- a/tests/net/java/com/android/server/ConnectivityServiceTest.java
+++ b/tests/net/java/com/android/server/ConnectivityServiceTest.java
@@ -424,7 +424,6 @@
     @Mock EthernetManager mEthernetManager;
     @Mock NetworkPolicyManager mNetworkPolicyManager;
     @Mock KeyStore mKeyStore;
-    @Mock IOnSetOemNetworkPreferenceListener mOnSetOemNetworkPreferenceListener;
 
     private ArgumentCaptor<ResolverParamsParcel> mResolverParamsParcelCaptor =
             ArgumentCaptor.forClass(ResolverParamsParcel.class);
@@ -994,10 +993,12 @@
         // Used to collect the networks requests managed by this factory. This is a duplicate of
         // the internal information stored in the NetworkFactory (which is private).
         private SparseArray<NetworkRequest> mNetworkRequests = new SparseArray<>();
+        private final HandlerThread mHandlerSendingRequests;
 
         public MockNetworkFactory(Looper looper, Context context, String logTag,
-                NetworkCapabilities filter) {
+                NetworkCapabilities filter, HandlerThread threadSendingRequests) {
             super(looper, context, logTag, filter);
+            mHandlerSendingRequests = threadSendingRequests;
         }
 
         public int getMyRequestCount() {
@@ -1051,7 +1052,8 @@
         public void terminate() {
             super.terminate();
             // Make sure there are no remaining requests unaccounted for.
-            assertNull(mRequestHistory.poll(TIMEOUT_MS, r -> true));
+            HandlerUtils.waitForIdle(mHandlerSendingRequests, TIMEOUT_MS);
+            assertNull(mRequestHistory.poll(0, r -> true));
         }
 
         // Trigger releasing the request as unfulfillable
@@ -1609,10 +1611,13 @@
         }
         switch (transport) {
             case TRANSPORT_WIFI:
-                assertEquals(mCm.getActiveNetwork(), mWiFiNetworkAgent.getNetwork());
+                assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetwork());
                 break;
             case TRANSPORT_CELLULAR:
-                assertEquals(mCm.getActiveNetwork(), mCellNetworkAgent.getNetwork());
+                assertEquals(mCellNetworkAgent.getNetwork(), mCm.getActiveNetwork());
+                break;
+            case TRANSPORT_ETHERNET:
+                assertEquals(mEthernetNetworkAgent.getNetwork(), mCm.getActiveNetwork());
                 break;
             default:
                 break;
@@ -1621,6 +1626,7 @@
         assertNotNull(mCm.getNetworkInfo(mCm.getActiveNetwork()));
         assertEquals(transportToLegacyType(transport),
                 mCm.getNetworkInfo(mCm.getActiveNetwork()).getType());
+        assertNotNull(mCm.getActiveNetworkInfoForUid(Process.myUid()));
         // Test getNetworkCapabilities(Network)
         assertNotNull(mCm.getNetworkCapabilities(mCm.getActiveNetwork()));
         assertTrue(mCm.getNetworkCapabilities(mCm.getActiveNetwork()).hasTransport(transport));
@@ -2158,6 +2164,24 @@
         }
     }
 
+    static void expectOnLost(TestNetworkAgentWrapper network, TestNetworkCallback ... callbacks) {
+        for (TestNetworkCallback c : callbacks) {
+            c.expectCallback(CallbackEntry.LOST, network);
+        }
+    }
+
+    static void expectAvailableCallbacksUnvalidatedWithSpecifier(TestNetworkAgentWrapper network,
+            NetworkSpecifier specifier, TestNetworkCallback ... callbacks) {
+        for (TestNetworkCallback c : callbacks) {
+            c.expectCallback(CallbackEntry.AVAILABLE, network);
+            c.expectCapabilitiesThat(network, (nc) ->
+                    !nc.hasCapability(NET_CAPABILITY_VALIDATED)
+                            && Objects.equals(specifier, nc.getNetworkSpecifier()));
+            c.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED, network);
+            c.expectCallback(CallbackEntry.BLOCKED_STATUS, network);
+        }
+    }
+
     @Test
     public void testStateChangeNetworkCallbacks() throws Exception {
         final TestNetworkCallback genericNetworkCallback = new TestNetworkCallback();
@@ -2764,7 +2788,7 @@
         final HandlerThread handlerThread = new HandlerThread("testNetworkFactoryRequests");
         handlerThread.start();
         final MockNetworkFactory testFactory = new MockNetworkFactory(handlerThread.getLooper(),
-                mServiceContext, "testFactory", filter);
+                mServiceContext, "testFactory", filter, mCsHandlerThread);
         testFactory.setScoreFilter(40);
         ConditionVariable cv = testFactory.getNetworkStartedCV();
         testFactory.register();
@@ -2872,7 +2896,7 @@
         // does not crash.
         for (int i = 0; i < 100; i++) {
             final MockNetworkFactory testFactory = new MockNetworkFactory(handlerThread.getLooper(),
-                    mServiceContext, "testFactory", filter);
+                    mServiceContext, "testFactory", filter, mCsHandlerThread);
             // Register the factory and don't be surprised when the default request arrives.
             testFactory.register();
             testFactory.expectRequestAdd();
@@ -3521,11 +3545,9 @@
     /**
      * Verify request matching behavior with network specifiers.
      *
-     * Note: this test is somewhat problematic since it involves removing capabilities from
-     * agents - i.e. agents rejecting requests which they previously accepted. This is flagged
-     * as a WTF bug in
-     * {@link ConnectivityService#mixInCapabilities(NetworkAgentInfo, NetworkCapabilities)} but
-     * does work.
+     * This test does not check updating the specifier on a live network because the specifier is
+     * immutable and this triggers a WTF in
+     * {@link ConnectivityService#mixInCapabilities(NetworkAgentInfo, NetworkCapabilities)}.
      */
     @Test
     public void testNetworkSpecifier() throws Exception {
@@ -3610,60 +3632,49 @@
 
         mWiFiNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI);
         mWiFiNetworkAgent.connect(false);
-        cEmpty1.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
-        cEmpty2.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
-        cEmpty3.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
-        cEmpty4.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
+        expectAvailableCallbacksUnvalidatedWithSpecifier(mWiFiNetworkAgent, null /* specifier */,
+                cEmpty1, cEmpty2, cEmpty3, cEmpty4);
         assertNoCallbacks(cFoo, cBar);
 
+        mWiFiNetworkAgent.disconnect();
+        expectOnLost(mWiFiNetworkAgent, cEmpty1, cEmpty2, cEmpty3, cEmpty4);
+
+        mWiFiNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI);
         mWiFiNetworkAgent.setNetworkSpecifier(nsFoo);
-        cFoo.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
-        for (TestNetworkCallback c: emptyCallbacks) {
-            c.expectCapabilitiesThat(mWiFiNetworkAgent,
-                    (caps) -> caps.getNetworkSpecifier().equals(nsFoo));
-        }
-        cFoo.expectCapabilitiesThat(mWiFiNetworkAgent,
-                (caps) -> caps.getNetworkSpecifier().equals(nsFoo));
+        mWiFiNetworkAgent.connect(false);
+        expectAvailableCallbacksUnvalidatedWithSpecifier(mWiFiNetworkAgent, nsFoo,
+                cEmpty1, cEmpty2, cEmpty3, cEmpty4, cFoo);
+        cBar.assertNoCallback();
         assertEquals(nsFoo,
                 mCm.getNetworkCapabilities(mWiFiNetworkAgent.getNetwork()).getNetworkSpecifier());
-        cFoo.assertNoCallback();
+        assertNoCallbacks(cEmpty1, cEmpty2, cEmpty3, cEmpty4, cFoo);
 
+        mWiFiNetworkAgent.disconnect();
+        expectOnLost(mWiFiNetworkAgent, cEmpty1, cEmpty2, cEmpty3, cEmpty4, cFoo);
+
+        mWiFiNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI);
         mWiFiNetworkAgent.setNetworkSpecifier(nsBar);
-        cFoo.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
-        cBar.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
-        for (TestNetworkCallback c: emptyCallbacks) {
-            c.expectCapabilitiesThat(mWiFiNetworkAgent,
-                    (caps) -> caps.getNetworkSpecifier().equals(nsBar));
-        }
-        cBar.expectCapabilitiesThat(mWiFiNetworkAgent,
-                (caps) -> caps.getNetworkSpecifier().equals(nsBar));
+        mWiFiNetworkAgent.connect(false);
+        expectAvailableCallbacksUnvalidatedWithSpecifier(mWiFiNetworkAgent, nsBar,
+                cEmpty1, cEmpty2, cEmpty3, cEmpty4, cBar);
+        cFoo.assertNoCallback();
         assertEquals(nsBar,
                 mCm.getNetworkCapabilities(mWiFiNetworkAgent.getNetwork()).getNetworkSpecifier());
-        cBar.assertNoCallback();
 
+        mWiFiNetworkAgent.disconnect();
+        expectOnLost(mWiFiNetworkAgent, cEmpty1, cEmpty2, cEmpty3, cEmpty4, cBar);
+        cFoo.assertNoCallback();
+
+        mWiFiNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI);
         mWiFiNetworkAgent.setNetworkSpecifier(new ConfidentialMatchAllNetworkSpecifier());
-        cFoo.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
-        for (TestNetworkCallback c : emptyCallbacks) {
-            c.expectCapabilitiesThat(mWiFiNetworkAgent,
-                    (caps) -> caps.getNetworkSpecifier() == null);
-        }
-        cFoo.expectCapabilitiesThat(mWiFiNetworkAgent,
-                (caps) -> caps.getNetworkSpecifier() == null);
-        cBar.expectCapabilitiesThat(mWiFiNetworkAgent,
-                (caps) -> caps.getNetworkSpecifier() == null);
+        mWiFiNetworkAgent.connect(false);
+        expectAvailableCallbacksUnvalidatedWithSpecifier(mWiFiNetworkAgent, null /* specifier */,
+                cEmpty1, cEmpty2, cEmpty3, cEmpty4, cFoo, cBar);
         assertNull(
                 mCm.getNetworkCapabilities(mWiFiNetworkAgent.getNetwork()).getNetworkSpecifier());
-        cFoo.assertNoCallback();
-        cBar.assertNoCallback();
 
-        mWiFiNetworkAgent.setNetworkSpecifier(null);
-        cFoo.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
-        cBar.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
-        for (TestNetworkCallback c: emptyCallbacks) {
-            c.expectCallback(CallbackEntry.NETWORK_CAPS_UPDATED, mWiFiNetworkAgent);
-        }
-
-        assertNoCallbacks(cEmpty1, cEmpty2, cEmpty3, cEmpty4, cFoo, cBar);
+        mWiFiNetworkAgent.disconnect();
+        expectOnLost(mWiFiNetworkAgent, cEmpty1, cEmpty2, cEmpty3, cEmpty4, cFoo, cBar);
     }
 
     /**
@@ -4122,7 +4133,7 @@
                 .addTransportType(TRANSPORT_CELLULAR)
                 .addCapability(NET_CAPABILITY_INTERNET);
         final MockNetworkFactory testFactory = new MockNetworkFactory(handlerThread.getLooper(),
-                mServiceContext, "testFactory", filter);
+                mServiceContext, "testFactory", filter, mCsHandlerThread);
         testFactory.setScoreFilter(40);
 
         // Register the factory and expect it to start looking for a network.
@@ -4170,6 +4181,7 @@
             // ...  and cell data to be torn down after nascent network timeout.
             cellNetworkCallback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent,
                     mService.mNascentDelayMs + TEST_CALLBACK_TIMEOUT_MS);
+            waitForIdle();
             assertLength(1, mCm.getAllNetworks());
         } finally {
             testFactory.terminate();
@@ -4469,7 +4481,7 @@
                 .addTransportType(TRANSPORT_WIFI)
                 .addCapability(NET_CAPABILITY_INTERNET);
         final MockNetworkFactory testFactory = new MockNetworkFactory(handlerThread.getLooper(),
-                mServiceContext, "testFactory", filter);
+                mServiceContext, "testFactory", filter, mCsHandlerThread);
         testFactory.setScoreFilter(40);
 
         // Register the factory and expect it to receive the default request.
@@ -6818,6 +6830,7 @@
                 .thenReturn(UserHandle.getUid(RESTRICTED_USER, VPN_UID));
 
         final Intent addedIntent = new Intent(ACTION_USER_ADDED);
+        addedIntent.putExtra(Intent.EXTRA_USER, UserHandle.of(RESTRICTED_USER));
         addedIntent.putExtra(Intent.EXTRA_USER_HANDLE, RESTRICTED_USER);
 
         // Send a USER_ADDED broadcast for it.
@@ -6844,6 +6857,7 @@
 
         // Send a USER_REMOVED broadcast and expect to lose the UID range for the restricted user.
         final Intent removedIntent = new Intent(ACTION_USER_REMOVED);
+        removedIntent.putExtra(Intent.EXTRA_USER, UserHandle.of(RESTRICTED_USER));
         removedIntent.putExtra(Intent.EXTRA_USER_HANDLE, RESTRICTED_USER);
         processBroadcastForVpn(removedIntent);
 
@@ -6901,6 +6915,7 @@
                 RESTRICTED_USER_INFO));
         // TODO: check that VPN app within restricted profile still has access, etc.
         final Intent addedIntent = new Intent(ACTION_USER_ADDED);
+        addedIntent.putExtra(Intent.EXTRA_USER, UserHandle.of(RESTRICTED_USER));
         addedIntent.putExtra(Intent.EXTRA_USER_HANDLE, RESTRICTED_USER);
         processBroadcastForVpn(addedIntent);
         assertNull(mCm.getActiveNetworkForUid(uid));
@@ -6911,6 +6926,7 @@
 
         // Send a USER_REMOVED broadcast and expect to lose the UID range for the restricted user.
         final Intent removedIntent = new Intent(ACTION_USER_REMOVED);
+        removedIntent.putExtra(Intent.EXTRA_USER, UserHandle.of(RESTRICTED_USER));
         removedIntent.putExtra(Intent.EXTRA_USER_HANDLE, RESTRICTED_USER);
         processBroadcastForVpn(removedIntent);
         assertNull(mCm.getActiveNetworkForUid(uid));
@@ -7505,6 +7521,7 @@
         // Send a USER_UNLOCKED broadcast so CS starts LockdownVpnTracker.
         final int userId = UserHandle.getUserId(Process.myUid());
         final Intent addedIntent = new Intent(ACTION_USER_UNLOCKED);
+        addedIntent.putExtra(Intent.EXTRA_USER, UserHandle.of(userId));
         addedIntent.putExtra(Intent.EXTRA_USER_HANDLE, userId);
         processBroadcastForVpn(addedIntent);
 
@@ -9437,7 +9454,7 @@
     }
 
     private void mockGetApplicationInfo(@NonNull final String packageName, @NonNull final int uid)
-            throws PackageManager.NameNotFoundException {
+            throws Exception {
         final ApplicationInfo applicationInfo = new ApplicationInfo();
         applicationInfo.uid = uid;
         when(mPackageManager.getApplicationInfo(eq(packageName), anyInt()))
@@ -9457,7 +9474,7 @@
 
     private OemNetworkPreferences createDefaultOemNetworkPreferences(
             @OemNetworkPreferences.OemNetworkPreference final int preference)
-            throws PackageManager.NameNotFoundException {
+            throws Exception {
         // Arrange PackageManager mocks
         mockGetApplicationInfo(TEST_PACKAGE_NAME, TEST_PACKAGE_UID);
 
@@ -9482,7 +9499,7 @@
 
     @Test
     public void testOemNetworkRequestFactoryPreferenceOemPaid()
-            throws PackageManager.NameNotFoundException {
+            throws Exception {
         // Expectations
         final int expectedNumOfNris = 1;
         final int expectedNumOfRequests = 3;
@@ -9511,7 +9528,7 @@
 
     @Test
     public void testOemNetworkRequestFactoryPreferenceOemPaidNoFallback()
-            throws PackageManager.NameNotFoundException {
+            throws Exception {
         // Expectations
         final int expectedNumOfNris = 1;
         final int expectedNumOfRequests = 2;
@@ -9537,7 +9554,7 @@
 
     @Test
     public void testOemNetworkRequestFactoryPreferenceOemPaidOnly()
-            throws PackageManager.NameNotFoundException {
+            throws Exception {
         // Expectations
         final int expectedNumOfNris = 1;
         final int expectedNumOfRequests = 1;
@@ -9560,7 +9577,7 @@
 
     @Test
     public void testOemNetworkRequestFactoryPreferenceOemPrivateOnly()
-            throws PackageManager.NameNotFoundException {
+            throws Exception {
         // Expectations
         final int expectedNumOfNris = 1;
         final int expectedNumOfRequests = 1;
@@ -9584,7 +9601,7 @@
 
     @Test
     public void testOemNetworkRequestFactoryCreatesCorrectNumOfNris()
-            throws PackageManager.NameNotFoundException {
+            throws Exception {
         // Expectations
         final int expectedNumOfNris = 2;
 
@@ -9611,7 +9628,7 @@
 
     @Test
     public void testOemNetworkRequestFactoryCorrectlySetsUids()
-            throws PackageManager.NameNotFoundException {
+            throws Exception {
         // Arrange PackageManager mocks
         final String testPackageName2 = "com.google.apps.dialer";
         final int testPackageNameUid2 = 456;
@@ -9642,7 +9659,7 @@
 
     @Test
     public void testOemNetworkRequestFactoryAddsPackagesToCorrectPreference()
-            throws PackageManager.NameNotFoundException {
+            throws Exception {
         // Expectations
         final int expectedNumOfNris = 1;
         final int expectedNumOfAppUids = 2;
@@ -9684,7 +9701,7 @@
 
     @Test
     public void testSetOemNetworkPreferenceFailsForNonAutomotive()
-            throws PackageManager.NameNotFoundException, RemoteException {
+            throws Exception {
         mockHasSystemFeature(PackageManager.FEATURE_AUTOMOTIVE, false);
         @OemNetworkPreferences.OemNetworkPreference final int networkPref =
                 OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PRIVATE_ONLY;
@@ -9693,6 +9710,336 @@
         assertThrows(UnsupportedOperationException.class,
                 () -> mService.setOemNetworkPreference(
                         createDefaultOemNetworkPreferences(networkPref),
-                        mOnSetOemNetworkPreferenceListener));
+                        new TestOemListenerCallback()));
+    }
+
+    private void setOemNetworkPreferenceAgentConnected(final int transportType,
+            final boolean connectAgent) throws Exception {
+        switch(transportType) {
+            // Corresponds to a metered cellular network. Will be used for the default network.
+            case TRANSPORT_CELLULAR:
+                if (!connectAgent) {
+                    mCellNetworkAgent.disconnect();
+                    break;
+                }
+                mCellNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_CELLULAR);
+                mCellNetworkAgent.removeCapability(NET_CAPABILITY_NOT_METERED);
+                mCellNetworkAgent.connect(true);
+                break;
+            // Corresponds to a restricted ethernet network with OEM_PAID/OEM_PRIVATE.
+            case TRANSPORT_ETHERNET:
+                if (!connectAgent) {
+                    stopOemManagedNetwork();
+                    break;
+                }
+                startOemManagedNetwork(true);
+                break;
+            // Corresponds to unmetered Wi-Fi.
+            case TRANSPORT_WIFI:
+                if (!connectAgent) {
+                    mWiFiNetworkAgent.disconnect();
+                    break;
+                }
+                mWiFiNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI);
+                mWiFiNetworkAgent.addCapability(NET_CAPABILITY_NOT_METERED);
+                mWiFiNetworkAgent.connect(true);
+                break;
+            default:
+                throw new AssertionError("Unsupported transport type passed in.");
+
+        }
+        waitForIdle();
+    }
+
+    private void startOemManagedNetwork(final boolean isOemPaid) throws Exception {
+        mEthernetNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_ETHERNET);
+        mEthernetNetworkAgent.addCapability(
+                isOemPaid ? NET_CAPABILITY_OEM_PAID : NET_CAPABILITY_OEM_PRIVATE);
+        mEthernetNetworkAgent.removeCapability(NET_CAPABILITY_NOT_RESTRICTED);
+        mEthernetNetworkAgent.connect(true);
+    }
+
+    private void stopOemManagedNetwork() {
+        mEthernetNetworkAgent.disconnect();
+        waitForIdle();
+    }
+
+    private void verifyMultipleDefaultNetworksTracksCorrectly(
+            final int expectedOemRequestsSize,
+            @NonNull final Network expectedDefaultNetwork,
+            @NonNull final Network expectedPerAppNetwork) {
+        // The current test setup assumes two tracked default network requests; one for the default
+        // network and the other for the OEM network preference being tested. This will be validated
+        // each time to confirm it doesn't change under test.
+        final int expectedDefaultNetworkRequestsSize = 2;
+        assertEquals(expectedDefaultNetworkRequestsSize, mService.mDefaultNetworkRequests.size());
+        for (final ConnectivityService.NetworkRequestInfo defaultRequest
+                : mService.mDefaultNetworkRequests) {
+            final Network defaultNetwork = defaultRequest.getSatisfier() == null
+                    ? null : defaultRequest.getSatisfier().network();
+            // If this is the default request.
+            if (defaultRequest == mService.mDefaultRequest) {
+                assertEquals(
+                        expectedDefaultNetwork,
+                        defaultNetwork);
+                // Make sure this value doesn't change.
+                assertEquals(1, defaultRequest.mRequests.size());
+                continue;
+            }
+            assertEquals(expectedPerAppNetwork, defaultNetwork);
+            assertEquals(expectedOemRequestsSize, defaultRequest.mRequests.size());
+        }
+    }
+
+    private void setupMultipleDefaultNetworksForOemNetworkPreferenceNotCurrentUidTest(
+            @OemNetworkPreferences.OemNetworkPreference final int networkPrefToSetup)
+            throws Exception {
+        final int testPackageNameUid = 123;
+        final String testPackageName = "per.app.defaults.package";
+        setupMultipleDefaultNetworksForOemNetworkPreferenceTest(
+                networkPrefToSetup, testPackageNameUid, testPackageName);
+    }
+
+    private void setupMultipleDefaultNetworksForOemNetworkPreferenceCurrentUidTest(
+            @OemNetworkPreferences.OemNetworkPreference final int networkPrefToSetup)
+            throws Exception {
+        final int testPackageNameUid = Process.myUid();
+        final String testPackageName = "per.app.defaults.package";
+        setupMultipleDefaultNetworksForOemNetworkPreferenceTest(
+                networkPrefToSetup, testPackageNameUid, testPackageName);
+    }
+
+    private void setupMultipleDefaultNetworksForOemNetworkPreferenceTest(
+            @OemNetworkPreferences.OemNetworkPreference final int networkPrefToSetup,
+            final int testPackageUid, @NonNull final String testPackageName) throws Exception {
+        // Only the default request should be included at start.
+        assertEquals(1, mService.mDefaultNetworkRequests.size());
+
+        final UidRangeParcel[] uidRanges =
+                toUidRangeStableParcels(uidRangesForUid(testPackageUid));
+        setupSetOemNetworkPreferenceForPreferenceTest(
+                networkPrefToSetup, uidRanges, testPackageName);
+    }
+
+    private void setupSetOemNetworkPreferenceForPreferenceTest(
+            @OemNetworkPreferences.OemNetworkPreference final int networkPrefToSetup,
+            @NonNull final UidRangeParcel[] uidRanges,
+            @NonNull final String testPackageName)
+            throws Exception {
+        mockHasSystemFeature(PackageManager.FEATURE_AUTOMOTIVE, true);
+
+        // These tests work off a single UID therefore using 'start' is valid.
+        mockGetApplicationInfo(testPackageName, uidRanges[0].start);
+
+        // Build OemNetworkPreferences object
+        final OemNetworkPreferences pref = new OemNetworkPreferences.Builder()
+                .addNetworkPreference(testPackageName, networkPrefToSetup)
+                .build();
+
+        // Act on ConnectivityService.setOemNetworkPreference()
+        final TestOemListenerCallback mOnSetOemNetworkPreferenceTestListener =
+                new TestOemListenerCallback();
+        mService.setOemNetworkPreference(pref, mOnSetOemNetworkPreferenceTestListener);
+
+        // Verify call returned successfully
+        mOnSetOemNetworkPreferenceTestListener.expectOnComplete();
+    }
+
+    private static class TestOemListenerCallback implements IOnSetOemNetworkPreferenceListener {
+        final CompletableFuture<Object> mDone = new CompletableFuture<>();
+
+        @Override
+        public void onComplete() {
+            mDone.complete(new Object());
+        }
+
+        void expectOnComplete() throws Exception {
+            try {
+                mDone.get(TIMEOUT_MS, TimeUnit.MILLISECONDS);
+            } catch (TimeoutException e) {
+                fail("Expected onComplete() not received after " + TIMEOUT_MS + " ms");
+            }
+        }
+
+        @Override
+        public IBinder asBinder() {
+            return null;
+        }
+    }
+
+    @Test
+    public void testMultiDefaultGetActiveNetworkIsCorrect() throws Exception {
+        @OemNetworkPreferences.OemNetworkPreference final int networkPref =
+                OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PAID_ONLY;
+        final int expectedOemPrefRequestSize = 1;
+
+        // Setup the test process to use networkPref for their default network.
+        setupMultipleDefaultNetworksForOemNetworkPreferenceCurrentUidTest(networkPref);
+
+        // Bring up ethernet with OEM_PAID. This will satisfy NET_CAPABILITY_OEM_PAID.
+        // The active network for the default should be null at this point as this is a retricted
+        // network.
+        setOemNetworkPreferenceAgentConnected(TRANSPORT_ETHERNET, true);
+        verifyMultipleDefaultNetworksTracksCorrectly(expectedOemPrefRequestSize,
+                null,
+                mEthernetNetworkAgent.getNetwork());
+
+        // Verify that the active network is correct
+        verifyActiveNetwork(TRANSPORT_ETHERNET);
+    }
+
+    @Test
+    public void testMultiDefaultIsActiveNetworkMeteredIsCorrect() throws Exception {
+        @OemNetworkPreferences.OemNetworkPreference final int networkPref =
+                OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PAID_ONLY;
+        final int expectedOemPrefRequestSize = 1;
+
+        // Setup the test process to use networkPref for their default network.
+        setupMultipleDefaultNetworksForOemNetworkPreferenceCurrentUidTest(networkPref);
+
+        // Returns true by default when no network is available.
+        assertTrue(mCm.isActiveNetworkMetered());
+
+        // Connect to an unmetered restricted network that will only be available to the OEM pref.
+        mEthernetNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_ETHERNET);
+        mEthernetNetworkAgent.addCapability(NET_CAPABILITY_OEM_PAID);
+        mEthernetNetworkAgent.addCapability(NET_CAPABILITY_NOT_METERED);
+        mEthernetNetworkAgent.removeCapability(NET_CAPABILITY_NOT_RESTRICTED);
+        mEthernetNetworkAgent.connect(true);
+        waitForIdle();
+
+        verifyMultipleDefaultNetworksTracksCorrectly(expectedOemPrefRequestSize,
+                null,
+                mEthernetNetworkAgent.getNetwork());
+
+        assertFalse(mCm.isActiveNetworkMetered());
+    }
+
+    @Test
+    public void testPerAppDefaultRegisterDefaultNetworkCallback() throws Exception {
+        @OemNetworkPreferences.OemNetworkPreference final int networkPref =
+                OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PAID_ONLY;
+        final int expectedOemPrefRequestSize = 1;
+        final TestNetworkCallback defaultNetworkCallback = new TestNetworkCallback();
+
+        // Register the default network callback before the pref is already set. This means that
+        // the policy will be applied to the callback on setOemNetworkPreference().
+        mCm.registerDefaultNetworkCallback(defaultNetworkCallback);
+        defaultNetworkCallback.assertNoCallback();
+
+        // Setup the test process to use networkPref for their default network.
+        setupMultipleDefaultNetworksForOemNetworkPreferenceCurrentUidTest(networkPref);
+
+        // 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);
+        verifyMultipleDefaultNetworksTracksCorrectly(expectedOemPrefRequestSize,
+                null,
+                mEthernetNetworkAgent.getNetwork());
+
+        // At this point with a restricted network used, the available callback should trigger
+        defaultNetworkCallback.expectAvailableThenValidatedCallbacks(mEthernetNetworkAgent);
+        assertEquals(defaultNetworkCallback.getLastAvailableNetwork(),
+                mEthernetNetworkAgent.getNetwork());
+
+        // 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);
+
+        // Confirm we can unregister without issues.
+        mCm.unregisterNetworkCallback(defaultNetworkCallback);
+    }
+
+    @Test
+    public void testPerAppDefaultRegisterDefaultNetworkCallbackAfterPrefSet() throws Exception {
+        @OemNetworkPreferences.OemNetworkPreference final int networkPref =
+                OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PAID_ONLY;
+        final int expectedOemPrefRequestSize = 1;
+        final TestNetworkCallback defaultNetworkCallback = new TestNetworkCallback();
+
+        // Setup the test process to use networkPref for their default network.
+        setupMultipleDefaultNetworksForOemNetworkPreferenceCurrentUidTest(networkPref);
+
+        // Register the default network callback after the pref is already set. This means that
+        // the policy will be applied to the callback on requestNetwork().
+        mCm.registerDefaultNetworkCallback(defaultNetworkCallback);
+        defaultNetworkCallback.assertNoCallback();
+
+        // 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);
+        verifyMultipleDefaultNetworksTracksCorrectly(expectedOemPrefRequestSize,
+                null,
+                mEthernetNetworkAgent.getNetwork());
+
+        // At this point with a restricted network used, the available callback should trigger
+        defaultNetworkCallback.expectAvailableThenValidatedCallbacks(mEthernetNetworkAgent);
+        assertEquals(defaultNetworkCallback.getLastAvailableNetwork(),
+                mEthernetNetworkAgent.getNetwork());
+
+        // 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);
+
+        // Confirm we can unregister without issues.
+        mCm.unregisterNetworkCallback(defaultNetworkCallback);
+    }
+
+    @Test
+    public void testPerAppDefaultRegisterDefaultNetworkCallbackDoesNotFire() throws Exception {
+        @OemNetworkPreferences.OemNetworkPreference final int networkPref =
+                OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PAID_ONLY;
+        final int expectedOemPrefRequestSize = 1;
+        final TestNetworkCallback defaultNetworkCallback = new TestNetworkCallback();
+        final int userId = UserHandle.getUserId(Process.myUid());
+
+        mCm.registerDefaultNetworkCallback(defaultNetworkCallback);
+        defaultNetworkCallback.assertNoCallback();
+
+        // 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);
+
+        // 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);
+        verifyMultipleDefaultNetworksTracksCorrectly(expectedOemPrefRequestSize,
+                null,
+                mEthernetNetworkAgent.getNetwork());
+
+        // As this callback does not have access to the OEM_PAID network, it will not fire.
+        defaultNetworkCallback.assertNoCallback();
+        assertDefaultNetworkCapabilities(userId /* no networks */);
+
+        // Bring up unrestricted cellular. This should now satisfy the default network.
+        setOemNetworkPreferenceAgentConnected(TRANSPORT_CELLULAR, true);
+        verifyMultipleDefaultNetworksTracksCorrectly(expectedOemPrefRequestSize,
+                mCellNetworkAgent.getNetwork(),
+                mEthernetNetworkAgent.getNetwork());
+
+        // At this point with an unrestricted network used, the available callback should trigger
+        defaultNetworkCallback.expectAvailableThenValidatedCallbacks(mCellNetworkAgent);
+        assertEquals(defaultNetworkCallback.getLastAvailableNetwork(),
+                mCellNetworkAgent.getNetwork());
+        assertDefaultNetworkCapabilities(userId, mCellNetworkAgent);
+
+        // 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.
+        defaultNetworkCallback.assertNoCallback();
+
+        // 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);
+
+        // Confirm we can unregister without issues.
+        mCm.unregisterNetworkCallback(defaultNetworkCallback);
     }
 }
diff --git a/tests/net/java/com/android/server/connectivity/NetworkNotificationManagerTest.java b/tests/net/java/com/android/server/connectivity/NetworkNotificationManagerTest.java
index 7e85acb..ff8c632 100644
--- a/tests/net/java/com/android/server/connectivity/NetworkNotificationManagerTest.java
+++ b/tests/net/java/com/android/server/connectivity/NetworkNotificationManagerTest.java
@@ -46,7 +46,10 @@
 import com.android.internal.R;
 import com.android.server.connectivity.NetworkNotificationManager.NotificationType;
 
+import org.junit.AfterClass;
 import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.AdditionalAnswers;
@@ -181,6 +184,9 @@
     }
 
     @Test
+    @Ignore
+    // Ignored because the code under test calls Log.wtf, which crashes the tests on eng builds.
+    // TODO: re-enable after fixing this (e.g., turn Log.wtf into exceptions that this test catches)
     public void testNoInternetNotificationsNotShownForCellular() {
         mManager.showNotification(100, NO_INTERNET, mCellNai, mWifiNai, null, false);
         mManager.showNotification(101, LOST_INTERNET, mCellNai, mWifiNai, null, false);