diff --git a/framework/Android.bp b/framework/Android.bp
index 86433e1..017ff51 100644
--- a/framework/Android.bp
+++ b/framework/Android.bp
@@ -23,6 +23,25 @@
     default_applicable_licenses: ["frameworks_base_license"],
 }
 
+java_library {
+    name: "framework-connectivity-protos",
+    proto: {
+        type: "nano",
+    },
+    srcs: [
+        // TODO: consider moving relevant .proto files directly to the module directory
+        ":framework-javastream-protos",
+    ],
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.tethering",
+    ],
+    jarjar_rules: "jarjar-rules-proto.txt",
+    visibility: [
+        "//visibility:private",
+    ],
+}
+
 filegroup {
     name: "framework-connectivity-internal-sources",
     srcs: [
@@ -111,6 +130,7 @@
         "ServiceConnectivityResources",
     ],
     static_libs: [
+        "framework-connectivity-protos",
         "net-utils-device-common",
     ],
     jarjar_rules: "jarjar-rules.txt",
diff --git a/framework/jarjar-rules-proto.txt b/framework/jarjar-rules-proto.txt
new file mode 100644
index 0000000..37b4dec
--- /dev/null
+++ b/framework/jarjar-rules-proto.txt
@@ -0,0 +1,3 @@
+keep android.net.NetworkCapabilitiesProto
+keep android.net.NetworkProto
+keep android.net.NetworkRequestProto
diff --git a/framework/jarjar-rules.txt b/framework/jarjar-rules.txt
index 381a4ac..0959840 100644
--- a/framework/jarjar-rules.txt
+++ b/framework/jarjar-rules.txt
@@ -5,3 +5,6 @@
 zap com.android.net.module.annotation.**
 zap com.android.internal.annotations.**
 
+rule android.net.NetworkCapabilitiesProto* android.net.connectivity.proto.NetworkCapabilitiesProto@1
+rule android.net.NetworkProto* android.net.connectivity.proto.NetworkProto@1
+rule android.net.NetworkRequestProto* android.net.connectivity.proto.NetworkRequestProto@1
diff --git a/framework/src/android/net/ConnectivityManager.java b/framework/src/android/net/ConnectivityManager.java
index e7128cd..230eef3 100644
--- a/framework/src/android/net/ConnectivityManager.java
+++ b/framework/src/android/net/ConnectivityManager.java
@@ -62,7 +62,6 @@
 import android.os.Process;
 import android.os.RemoteException;
 import android.os.ResultReceiver;
-import android.os.ServiceManager;
 import android.os.ServiceSpecificException;
 import android.os.UserHandle;
 import android.provider.Settings;
@@ -842,7 +841,6 @@
 
     private final Context mContext;
 
-    private INetworkPolicyManager mNPManager;
     private final TetheringManager mTetheringManager;
 
     /**
@@ -2319,7 +2317,7 @@
             @NonNull String callingPackage, @Nullable String callingAttributionTag,
             boolean throwException) {
         return Settings.checkAndNoteWriteSettingsOperation(context, uid, callingPackage,
-                throwException);
+                callingAttributionTag, throwException);
     }
 
     /**
@@ -4786,17 +4784,6 @@
     public @interface RestrictBackgroundStatus {
     }
 
-    private INetworkPolicyManager getNetworkPolicyManager() {
-        synchronized (this) {
-            if (mNPManager != null) {
-                return mNPManager;
-            }
-            mNPManager = INetworkPolicyManager.Stub.asInterface(ServiceManager
-                    .getService(Context.NETWORK_POLICY_SERVICE));
-            return mNPManager;
-        }
-    }
-
     /**
      * Determines if the calling application is subject to metered network restrictions while
      * running on background.
@@ -4807,7 +4794,7 @@
      */
     public @RestrictBackgroundStatus int getRestrictBackgroundStatus() {
         try {
-            return getNetworkPolicyManager().getRestrictBackgroundByCaller();
+            return mService.getRestrictBackgroundStatusByCaller();
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
diff --git a/services/core/java/com/android/server/connectivity/ConnectivityResources.java b/framework/src/android/net/ConnectivityResources.java
similarity index 69%
rename from services/core/java/com/android/server/connectivity/ConnectivityResources.java
rename to framework/src/android/net/ConnectivityResources.java
index 45cf21e..18f0de0 100644
--- a/services/core/java/com/android/server/connectivity/ConnectivityResources.java
+++ b/framework/src/android/net/ConnectivityResources.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.android.server.connectivity;
+package android.net;
 
 import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY;
 
@@ -27,13 +27,14 @@
 import android.content.res.Resources;
 import android.util.Log;
 
-import com.android.server.ConnectivityService;
+import com.android.internal.annotations.VisibleForTesting;
 
 import java.util.List;
 
 /**
- * Utility to obtain the {@link ConnectivityService} {@link Resources}, in the
+ * Utility to obtain the {@link com.android.server.ConnectivityService} {@link Resources}, in the
  * ServiceConnectivityResources APK.
+ * @hide
  */
 public class ConnectivityResources {
     private static final String RESOURCES_APK_INTENT =
@@ -44,18 +45,35 @@
     private final Context mContext;
 
     @Nullable
-    private Resources mResources = null;
+    private Context mResourcesContext = null;
+
+    @Nullable
+    private static Context sTestResourcesContext = null;
 
     public ConnectivityResources(Context context) {
         mContext = context;
     }
 
     /**
-     * Get the {@link Resources} of the ServiceConnectivityResources APK.
+     * Convenience method to mock all resources for the duration of a test.
+     *
+     * Call with a null context to reset after the test.
      */
-    public synchronized Resources get() {
-        if (mResources != null) {
-            return mResources;
+    @VisibleForTesting
+    public static void setResourcesContextForTest(@Nullable Context testContext) {
+        sTestResourcesContext = testContext;
+    }
+
+    /**
+     * Get the {@link Context} of the resources package.
+     */
+    public synchronized Context getResourcesContext() {
+        if (sTestResourcesContext != null) {
+            return sTestResourcesContext;
+        }
+
+        if (mResourcesContext != null) {
+            return mResourcesContext;
         }
 
         final List<ResolveInfo> pkgs = mContext.getPackageManager()
@@ -77,7 +95,14 @@
             throw new IllegalStateException("Resolved package not found", e);
         }
 
-        mResources = pkgContext.getResources();
-        return mResources;
+        mResourcesContext = pkgContext;
+        return pkgContext;
+    }
+
+    /**
+     * Get the {@link Resources} of the ServiceConnectivityResources APK.
+     */
+    public Resources get() {
+        return getResourcesContext().getResources();
     }
 }
diff --git a/framework/src/android/net/IConnectivityManager.aidl b/framework/src/android/net/IConnectivityManager.aidl
index d83cc16..98f3d40 100644
--- a/framework/src/android/net/IConnectivityManager.aidl
+++ b/framework/src/android/net/IConnectivityManager.aidl
@@ -220,4 +220,6 @@
 
     void setProfileNetworkPreference(in UserHandle profile, int preference,
             in IOnCompleteListener listener);
+
+    int getRestrictBackgroundStatusByCaller();
 }
diff --git a/framework/src/android/net/apf/ApfCapabilities.java b/framework/src/android/net/apf/ApfCapabilities.java
index bf5b26e..85b2471 100644
--- a/framework/src/android/net/apf/ApfCapabilities.java
+++ b/framework/src/android/net/apf/ApfCapabilities.java
@@ -19,12 +19,12 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SystemApi;
+import android.content.Context;
 import android.content.res.Resources;
+import android.net.ConnectivityResources;
 import android.os.Parcel;
 import android.os.Parcelable;
 
-import com.android.internal.R;
-
 /**
  * APF program support capabilities. APF stands for Android Packet Filtering and it is a flexible
  * way to drop unwanted network packets to save power.
@@ -36,6 +36,8 @@
  */
 @SystemApi
 public final class ApfCapabilities implements Parcelable {
+    private static ConnectivityResources sResources;
+
     /**
      * Version of APF instruction set supported for packet filtering. 0 indicates no support for
      * packet filtering using APF programs.
@@ -65,6 +67,14 @@
         apfPacketFormat = in.readInt();
     }
 
+    @NonNull
+    private static synchronized ConnectivityResources getResources(@NonNull Context ctx) {
+        if (sResources == null)  {
+            sResources = new ConnectivityResources(ctx);
+        }
+        return sResources;
+    }
+
 
     @Override
     public int describeContents() {
@@ -121,13 +131,43 @@
      * @return Whether the APF Filter in the device should filter out IEEE 802.3 Frames.
      */
     public static boolean getApfDrop8023Frames() {
-        return Resources.getSystem().getBoolean(R.bool.config_apfDrop802_3Frames);
+        // TODO(b/183076074): remove reading resources from system resources
+        final Resources systemRes = Resources.getSystem();
+        final int id = systemRes.getIdentifier("config_apfDrop802_3Frames", "bool", "android");
+        return systemRes.getBoolean(id);
+    }
+
+    /**
+     * @return Whether the APF Filter in the device should filter out IEEE 802.3 Frames.
+     * @hide
+     */
+    public static boolean getApfDrop8023Frames(@NonNull Context context) {
+        final ConnectivityResources res = getResources(context);
+        // TODO(b/183076074): use R.bool.config_apfDrop802_3Frames directly
+        final int id = res.get().getIdentifier("config_apfDrop802_3Frames", "bool",
+                res.getResourcesContext().getPackageName());
+        return res.get().getBoolean(id);
     }
 
     /**
      * @return An array of denylisted EtherType, packets with EtherTypes within it will be dropped.
      */
     public static @NonNull int[] getApfEtherTypeBlackList() {
-        return Resources.getSystem().getIntArray(R.array.config_apfEthTypeBlackList);
+        // TODO(b/183076074): remove reading resources from system resources
+        final Resources systemRes = Resources.getSystem();
+        final int id = systemRes.getIdentifier("config_apfEthTypeBlackList", "array", "android");
+        return systemRes.getIntArray(id);
+    }
+
+    /**
+     * @return An array of denylisted EtherType, packets with EtherTypes within it will be dropped.
+     * @hide
+     */
+    public static @NonNull int[] getApfEtherTypeDenyList(@NonNull Context context) {
+        final ConnectivityResources res = getResources(context);
+        // TODO(b/183076074): use R.array.config_apfEthTypeDenyList directly
+        final int id = res.get().getIdentifier("config_apfEthTypeDenyList", "array",
+                res.getResourcesContext().getPackageName());
+        return res.get().getIntArray(id);
     }
 }
diff --git a/framework/src/android/net/util/KeepaliveUtils.java b/framework/src/android/net/util/KeepaliveUtils.java
index bfc4563..8d7a0b3 100644
--- a/framework/src/android/net/util/KeepaliveUtils.java
+++ b/framework/src/android/net/util/KeepaliveUtils.java
@@ -19,12 +19,11 @@
 import android.annotation.NonNull;
 import android.content.Context;
 import android.content.res.Resources;
+import android.net.ConnectivityResources;
 import android.net.NetworkCapabilities;
 import android.text.TextUtils;
 import android.util.AndroidRuntimeException;
 
-import com.android.internal.R;
-
 /**
  * Collection of utilities for socket keepalive offload.
  *
@@ -52,8 +51,11 @@
     public static int[] getSupportedKeepalives(@NonNull Context context) {
         String[] res = null;
         try {
-            res = context.getResources().getStringArray(
-                    R.array.config_networkSupportedKeepaliveCount);
+            final ConnectivityResources connRes = new ConnectivityResources(context);
+            // TODO: use R.id.config_networkSupportedKeepaliveCount directly
+            final int id = connRes.get().getIdentifier("config_networkSupportedKeepaliveCount",
+                    "array", connRes.getResourcesContext().getPackageName());
+            res = new ConnectivityResources(context).get().getStringArray(id);
         } catch (Resources.NotFoundException unused) {
         }
         if (res == null) throw new KeepaliveDeviceConfigurationException("invalid resource");
diff --git a/framework/src/android/net/util/MultinetworkPolicyTracker.java b/framework/src/android/net/util/MultinetworkPolicyTracker.java
index 6a49aa2..0b42a00 100644
--- a/framework/src/android/net/util/MultinetworkPolicyTracker.java
+++ b/framework/src/android/net/util/MultinetworkPolicyTracker.java
@@ -27,6 +27,7 @@
 import android.content.IntentFilter;
 import android.content.res.Resources;
 import android.database.ContentObserver;
+import android.net.ConnectivityResources;
 import android.net.Uri;
 import android.os.Handler;
 import android.provider.Settings;
@@ -35,7 +36,6 @@
 import android.telephony.TelephonyManager;
 import android.util.Log;
 
-import com.android.internal.R;
 import com.android.internal.annotations.VisibleForTesting;
 
 import java.util.Arrays;
@@ -64,6 +64,7 @@
     private static String TAG = MultinetworkPolicyTracker.class.getSimpleName();
 
     private final Context mContext;
+    private final ConnectivityResources mResources;
     private final Handler mHandler;
     private final Runnable mAvoidBadWifiCallback;
     private final List<Uri> mSettingsUris;
@@ -107,6 +108,7 @@
 
     public MultinetworkPolicyTracker(Context ctx, Handler handler, Runnable avoidBadWifiCallback) {
         mContext = ctx;
+        mResources = new ConnectivityResources(ctx);
         mHandler = handler;
         mAvoidBadWifiCallback = avoidBadWifiCallback;
         mSettingsUris = Arrays.asList(
@@ -160,12 +162,16 @@
      * Whether the device or carrier configuration disables avoiding bad wifi by default.
      */
     public boolean configRestrictsAvoidBadWifi() {
-        return (getResourcesForActiveSubId().getInteger(R.integer.config_networkAvoidBadWifi) == 0);
+        // TODO: use R.integer.config_networkAvoidBadWifi directly
+        final int id = mResources.get().getIdentifier("config_networkAvoidBadWifi",
+                "integer", mResources.getResourcesContext().getPackageName());
+        return (getResourcesForActiveSubId().getInteger(id) == 0);
     }
 
     @NonNull
     private Resources getResourcesForActiveSubId() {
-        return SubscriptionManager.getResourcesForSubId(mContext, mActiveSubId);
+        return SubscriptionManager.getResourcesForSubId(
+                mResources.getResourcesContext(), mActiveSubId);
     }
 
     /**
@@ -205,8 +211,10 @@
      * The default (device and carrier-dependent) value for metered multipath preference.
      */
     public int configMeteredMultipathPreference() {
-        return mContext.getResources().getInteger(
-                R.integer.config_networkMeteredMultipathPreference);
+        // TODO: use R.integer.config_networkMeteredMultipathPreference directly
+        final int id = mResources.get().getIdentifier("config_networkMeteredMultipathPreference",
+                "integer", mResources.getResourcesContext().getPackageName());
+        return mResources.get().getInteger(id);
     }
 
     public void updateMeteredMultipathPreference() {
diff --git a/service/ServiceConnectivityResources/Android.bp b/service/ServiceConnectivityResources/Android.bp
index f2446b7..fa4501a 100644
--- a/service/ServiceConnectivityResources/Android.bp
+++ b/service/ServiceConnectivityResources/Android.bp
@@ -21,7 +21,7 @@
 
 android_app {
     name: "ServiceConnectivityResources",
-    sdk_version: "system_current",
+    sdk_version: "module_current",
     resource_dirs: [
         "res",
     ],
diff --git a/service/ServiceConnectivityResources/res/values-mcc204-mnc04/config.xml b/service/ServiceConnectivityResources/res/values-mcc204-mnc04/config.xml
new file mode 100644
index 0000000..7e7025f
--- /dev/null
+++ b/service/ServiceConnectivityResources/res/values-mcc204-mnc04/config.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ 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.
+  -->
+
+<!-- Configuration values for ConnectivityService
+     DO NOT EDIT THIS FILE for specific device configuration; instead, use a Runtime Resources
+     Overlay package following the overlayable.xml configuration in the same directory:
+     https://source.android.com/devices/architecture/rros -->
+<resources>
+    <!-- Whether the device should automatically switch away from Wi-Fi networks that lose
+         Internet access. Actual device behaviour is controlled by
+         Settings.Global.NETWORK_AVOID_BAD_WIFI. This is the default value of that setting. -->
+    <integer translatable="false" name="config_networkAvoidBadWifi">0</integer>
+</resources>
\ No newline at end of file
diff --git a/service/ServiceConnectivityResources/res/values-mcc310-mnc004/config.xml b/service/ServiceConnectivityResources/res/values-mcc310-mnc004/config.xml
new file mode 100644
index 0000000..7e7025f
--- /dev/null
+++ b/service/ServiceConnectivityResources/res/values-mcc310-mnc004/config.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ 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.
+  -->
+
+<!-- Configuration values for ConnectivityService
+     DO NOT EDIT THIS FILE for specific device configuration; instead, use a Runtime Resources
+     Overlay package following the overlayable.xml configuration in the same directory:
+     https://source.android.com/devices/architecture/rros -->
+<resources>
+    <!-- Whether the device should automatically switch away from Wi-Fi networks that lose
+         Internet access. Actual device behaviour is controlled by
+         Settings.Global.NETWORK_AVOID_BAD_WIFI. This is the default value of that setting. -->
+    <integer translatable="false" name="config_networkAvoidBadWifi">0</integer>
+</resources>
\ No newline at end of file
diff --git a/service/ServiceConnectivityResources/res/values-mcc311-mnc480/config.xml b/service/ServiceConnectivityResources/res/values-mcc311-mnc480/config.xml
new file mode 100644
index 0000000..7e7025f
--- /dev/null
+++ b/service/ServiceConnectivityResources/res/values-mcc311-mnc480/config.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ 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.
+  -->
+
+<!-- Configuration values for ConnectivityService
+     DO NOT EDIT THIS FILE for specific device configuration; instead, use a Runtime Resources
+     Overlay package following the overlayable.xml configuration in the same directory:
+     https://source.android.com/devices/architecture/rros -->
+<resources>
+    <!-- Whether the device should automatically switch away from Wi-Fi networks that lose
+         Internet access. Actual device behaviour is controlled by
+         Settings.Global.NETWORK_AVOID_BAD_WIFI. This is the default value of that setting. -->
+    <integer translatable="false" name="config_networkAvoidBadWifi">0</integer>
+</resources>
\ No newline at end of file
diff --git a/service/ServiceConnectivityResources/res/values/config.xml b/service/ServiceConnectivityResources/res/values/config.xml
index 06c8192..71674e4 100644
--- a/service/ServiceConnectivityResources/res/values/config.xml
+++ b/service/ServiceConnectivityResources/res/values/config.xml
@@ -52,4 +52,41 @@
         <item>12,60000</item><!-- mobile_cbs -->
     </string-array>
 
-</resources>
\ No newline at end of file
+    <!-- Whether the APF Filter in the device should filter out IEEE 802.3 Frames
+         Those frames are identified by the field Eth-type having values
+         less than 0x600 -->
+    <bool translatable="false" name="config_apfDrop802_3Frames">true</bool>
+
+    <!-- An array of Denylisted EtherType, packets with EtherTypes within this array
+         will be dropped
+         TODO: need to put proper values, these are for testing purposes only -->
+    <integer-array translatable="false" name="config_apfEthTypeDenyList">
+        <item>0x88A2</item>
+        <item>0x88A4</item>
+        <item>0x88B8</item>
+        <item>0x88CD</item>
+        <item>0x88E3</item>
+    </integer-array>
+
+    <!-- Default supported concurrent socket keepalive slots per transport type, used by
+         ConnectivityManager.createSocketKeepalive() for calculating the number of keepalive
+         offload slots that should be reserved for privileged access. This string array should be
+         overridden by the device to present the capability of creating socket keepalives. -->
+    <!-- An Array of "[NetworkCapabilities.TRANSPORT_*],[supported keepalives] -->
+    <string-array translatable="false" name="config_networkSupportedKeepaliveCount">
+        <item>0,1</item>
+        <item>1,3</item>
+    </string-array>
+
+
+    <!-- Default value for ConnectivityManager.getMultipathPreference() on metered networks. Actual
+         device behaviour is controlled by the metered multipath preference in
+         ConnectivitySettingsManager. This is the default value of that setting. -->
+    <integer translatable="false" name="config_networkMeteredMultipathPreference">0</integer>
+
+    <!-- Whether the device should automatically switch away from Wi-Fi networks that lose
+         Internet access. Actual device behaviour is controlled by
+         Settings.Global.NETWORK_AVOID_BAD_WIFI. This is the default value of that setting. -->
+    <integer translatable="false" name="config_networkAvoidBadWifi">1</integer>
+
+</resources>
diff --git a/service/ServiceConnectivityResources/res/values/overlayable.xml b/service/ServiceConnectivityResources/res/values/overlayable.xml
index da8aee5..25e19ce 100644
--- a/service/ServiceConnectivityResources/res/values/overlayable.xml
+++ b/service/ServiceConnectivityResources/res/values/overlayable.xml
@@ -21,6 +21,11 @@
             <item type="string" name="config_networkCaptivePortalServerUrl"/>
             <item type="integer" name="config_networkTransitionTimeout"/>
             <item type="array" name="config_wakeonlan_supported_interfaces"/>
+            <item type="bool" name="config_apfDrop802_3Frames"/>
+            <item type="array" name="config_apfEthTypeDenyList"/>
+            <item type="integer" name="config_networkMeteredMultipathPreference"/>
+            <item type="array" name="config_networkSupportedKeepaliveCount"/>
+            <item type="integer" name="config_networkAvoidBadWifi"/>
 
         </policy>
     </overlayable>
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 527c211..300f314 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -72,8 +72,8 @@
 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.RULE_NONE;
-import static android.net.NetworkPolicyManager.uidRulesToString;
+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;
 import static android.os.Process.INVALID_UID;
@@ -106,6 +106,7 @@
 import android.net.ConnectivityDiagnosticsManager.DataStallReport;
 import android.net.ConnectivityManager;
 import android.net.ConnectivityManager.NetworkCallback;
+import android.net.ConnectivityManager.RestrictBackgroundStatus;
 import android.net.ConnectivitySettingsManager;
 import android.net.DataStallReportParcelable;
 import android.net.DnsResolverServiceManager;
@@ -117,7 +118,6 @@
 import android.net.INetworkActivityListener;
 import android.net.INetworkMonitor;
 import android.net.INetworkMonitorCallbacks;
-import android.net.INetworkPolicyListener;
 import android.net.IOnCompleteListener;
 import android.net.IQosCallback;
 import android.net.ISocketKeepaliveCallback;
@@ -135,6 +135,7 @@
 import android.net.NetworkInfo.DetailedState;
 import android.net.NetworkMonitorManager;
 import android.net.NetworkPolicyManager;
+import android.net.NetworkPolicyManager.NetworkPolicyCallback;
 import android.net.NetworkProvider;
 import android.net.NetworkRequest;
 import android.net.NetworkScore;
@@ -164,6 +165,7 @@
 import android.net.Uri;
 import android.net.VpnManager;
 import android.net.VpnTransportInfo;
+import android.net.ConnectivityResources;
 import android.net.metrics.IpConnectivityLog;
 import android.net.metrics.NetworkEvent;
 import android.net.netlink.InetDiagMessage;
@@ -222,7 +224,6 @@
 import com.android.net.module.util.NetworkCapabilitiesUtils;
 import com.android.net.module.util.PermissionUtils;
 import com.android.server.connectivity.AutodestructReference;
-import com.android.server.connectivity.ConnectivityResources;
 import com.android.server.connectivity.DnsManager;
 import com.android.server.connectivity.DnsManager.PrivateDnsValidationUpdate;
 import com.android.server.connectivity.KeepaliveTracker;
@@ -331,12 +332,10 @@
     private volatile boolean mLockdownEnabled;
 
     /**
-     * Stale copy of uid rules provided by NPMS. As long as they are accessed only in internal
-     * handler thread, they don't need a lock.
+     * Stale copy of uid blocked reasons provided by NPMS. As long as they are accessed only in
+     * internal handler thread, they don't need a lock.
      */
-    private SparseIntArray mUidRules = new SparseIntArray();
-    /** Flag indicating if background data is restricted. */
-    private boolean mRestrictBackground;
+    private SparseIntArray mUidBlockedReasons = new SparseIntArray();
 
     private final Context mContext;
     private final ConnectivityResources mResources;
@@ -510,16 +509,6 @@
     // Handle private DNS validation status updates.
     private static final int EVENT_PRIVATE_DNS_VALIDATION_UPDATE = 38;
 
-    /**
-     * Used to handle onUidRulesChanged event from NetworkPolicyManagerService.
-     */
-    private static final int EVENT_UID_RULES_CHANGED = 39;
-
-    /**
-     * Used to handle onRestrictBackgroundChanged event from NetworkPolicyManagerService.
-     */
-    private static final int EVENT_DATA_SAVER_CHANGED = 40;
-
      /**
       * Event for NetworkMonitor/NetworkAgentInfo to inform ConnectivityService that the network has
       * been tested.
@@ -596,6 +585,13 @@
     private static final int EVENT_SET_PROFILE_NETWORK_PREFERENCE = 50;
 
     /**
+     * Event to specify that reasons for why an uid is blocked changed.
+     * arg1 = uid
+     * arg2 = blockedReasons
+     */
+    private static final int EVENT_UID_BLOCKED_REASON_CHANGED = 51;
+
+    /**
      * Argument for {@link #EVENT_PROVISIONING_NOTIFICATION} to indicate that the notification
      * should be shown.
      */
@@ -1253,10 +1249,10 @@
         mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
         mLocationPermissionChecker = new LocationPermissionChecker(mContext);
 
-        // To ensure uid rules are synchronized with Network Policy, register for
+        // To ensure uid state is synchronized with Network Policy, register for
         // NetworkPolicyManagerService events must happen prior to NetworkPolicyManagerService
         // reading existing policy from disk.
-        mPolicyManager.registerListener(mPolicyListener);
+        mPolicyManager.registerNetworkPolicyCallback(null, mPolicyCallback);
 
         final PowerManager powerManager = (PowerManager) context.getSystemService(
                 Context.POWER_SERVICE);
@@ -2002,6 +1998,18 @@
         }
     }
 
+    @Override
+    public @RestrictBackgroundStatus int getRestrictBackgroundStatusByCaller() {
+        enforceAccessPermission();
+        final int callerUid = Binder.getCallingUid();
+        final long token = Binder.clearCallingIdentity();
+        try {
+            return mPolicyManager.getRestrictBackgroundStatus(callerUid);
+        } finally {
+            Binder.restoreCallingIdentity(token);
+        }
+    }
+
     // TODO: Consider delete this function or turn it into a no-op method.
     @Override
     public NetworkState[] getAllNetworkState() {
@@ -2237,53 +2245,17 @@
         }
     }
 
-    private final INetworkPolicyListener mPolicyListener = new NetworkPolicyManager.Listener() {
+    private final NetworkPolicyCallback mPolicyCallback = new NetworkPolicyCallback() {
         @Override
-        public void onUidRulesChanged(int uid, int uidRules) {
-            mHandler.sendMessage(mHandler.obtainMessage(EVENT_UID_RULES_CHANGED, uid, uidRules));
-        }
-        @Override
-        public void onRestrictBackgroundChanged(boolean restrictBackground) {
-            // caller is NPMS, since we only register with them
-            if (LOGD_BLOCKED_NETWORKINFO) {
-                log("onRestrictBackgroundChanged(restrictBackground=" + restrictBackground + ")");
-            }
-            mHandler.sendMessage(mHandler.obtainMessage(
-                    EVENT_DATA_SAVER_CHANGED, restrictBackground ? 1 : 0, 0));
+        public void onUidBlockedReasonChanged(int uid, int blockedReasons) {
+            mHandler.sendMessage(mHandler.obtainMessage(EVENT_UID_BLOCKED_REASON_CHANGED,
+                    uid, blockedReasons));
         }
     };
 
-    void handleUidRulesChanged(int uid, int newRules) {
-        // skip update when we've already applied rules
-        final int oldRules = mUidRules.get(uid, RULE_NONE);
-        if (oldRules == newRules) return;
-
-        maybeNotifyNetworkBlockedForNewUidRules(uid, newRules);
-
-        if (newRules == RULE_NONE) {
-            mUidRules.delete(uid);
-        } else {
-            mUidRules.put(uid, newRules);
-        }
-    }
-
-    void handleRestrictBackgroundChanged(boolean restrictBackground) {
-        if (mRestrictBackground == restrictBackground) return;
-
-        final List<UidRange> blockedRanges = mVpnBlockedUidRanges;
-        for (final NetworkAgentInfo nai : mNetworkAgentInfos) {
-            final boolean curMetered = nai.networkCapabilities.isMetered();
-            maybeNotifyNetworkBlocked(nai, curMetered, curMetered, mRestrictBackground,
-                    restrictBackground, blockedRanges, blockedRanges);
-        }
-
-        mRestrictBackground = restrictBackground;
-    }
-
-    private boolean isUidBlockedByRules(int uid, int uidRules, boolean isNetworkMetered,
-            boolean isBackgroundRestricted) {
-        return mPolicyManager.checkUidNetworkingBlocked(uid, uidRules, isNetworkMetered,
-                isBackgroundRestricted);
+    void handleUidBlockedReasonChanged(int uid, int blockedReasons) {
+        maybeNotifyNetworkBlockedForNewState(uid, blockedReasons);
+        mUidBlockedReasons.put(uid, blockedReasons);
     }
 
     private boolean checkAnyPermissionOf(String... permissions) {
@@ -2757,19 +2729,16 @@
         pw.decreaseIndent();
         pw.println();
 
-        pw.print("Restrict background: ");
-        pw.println(mRestrictBackground);
-        pw.println();
-
         pw.println("Status for known UIDs:");
         pw.increaseIndent();
-        final int size = mUidRules.size();
+        final int size = mUidBlockedReasons.size();
         for (int i = 0; i < size; i++) {
             // Don't crash if the array is modified while dumping in bugreports.
             try {
-                final int uid = mUidRules.keyAt(i);
-                final int uidRules = mUidRules.get(uid, RULE_NONE);
-                pw.println("UID=" + uid + " rules=" + uidRulesToString(uidRules));
+                final int uid = mUidBlockedReasons.keyAt(i);
+                final int blockedReasons = mUidBlockedReasons.valueAt(i);
+                pw.println("UID=" + uid + " blockedReasons="
+                        + blockedReasonsToString(blockedReasons));
             } catch (ArrayIndexOutOfBoundsException e) {
                 pw.println("  ArrayIndexOutOfBoundsException");
             } catch (ConcurrentModificationException e) {
@@ -4447,7 +4416,13 @@
         final NetworkPolicyManager netPolicyManager =
                  mContext.getSystemService(NetworkPolicyManager.class);
 
-        final int networkPreference = netPolicyManager.getMultipathPreference(network);
+        final long token = Binder.clearCallingIdentity();
+        final int networkPreference;
+        try {
+            networkPreference = netPolicyManager.getMultipathPreference(network);
+        } finally {
+            Binder.restoreCallingIdentity(token);
+        }
         if (networkPreference != 0) {
             return networkPreference;
         }
@@ -4566,11 +4541,8 @@
                     handlePrivateDnsValidationUpdate(
                             (PrivateDnsValidationUpdate) msg.obj);
                     break;
-                case EVENT_UID_RULES_CHANGED:
-                    handleUidRulesChanged(msg.arg1, msg.arg2);
-                    break;
-                case EVENT_DATA_SAVER_CHANGED:
-                    handleRestrictBackgroundChanged(toBool(msg.arg1));
+                case EVENT_UID_BLOCKED_REASON_CHANGED:
+                    handleUidBlockedReasonChanged(msg.arg1, msg.arg2);
                     break;
                 case EVENT_SET_REQUIRE_VPN_FOR_UIDS:
                     handleSetRequireVpnForUids(toBool(msg.arg1), (UidRange[]) msg.obj);
@@ -5043,8 +5015,8 @@
 
         for (final NetworkAgentInfo nai : mNetworkAgentInfos) {
             final boolean curMetered = nai.networkCapabilities.isMetered();
-            maybeNotifyNetworkBlocked(nai, curMetered, curMetered, mRestrictBackground,
-                    mRestrictBackground, mVpnBlockedUidRanges, newVpnBlockedUidRanges);
+            maybeNotifyNetworkBlocked(nai, curMetered, curMetered,
+                    mVpnBlockedUidRanges, newVpnBlockedUidRanges);
         }
 
         mVpnBlockedUidRanges = newVpnBlockedUidRanges;
@@ -6826,8 +6798,8 @@
         final boolean meteredChanged = oldMetered != newMetered;
 
         if (meteredChanged) {
-            maybeNotifyNetworkBlocked(nai, oldMetered, newMetered, mRestrictBackground,
-                    mRestrictBackground, mVpnBlockedUidRanges, mVpnBlockedUidRanges);
+            maybeNotifyNetworkBlocked(nai, oldMetered, newMetered,
+                    mVpnBlockedUidRanges, mVpnBlockedUidRanges);
         }
 
         final boolean roamingChanged = prevNc.hasCapability(NET_CAPABILITY_NOT_ROAMING)
@@ -7950,8 +7922,8 @@
         final boolean metered = nai.networkCapabilities.isMetered();
         boolean blocked;
         blocked = isUidBlockedByVpn(nri.mUid, mVpnBlockedUidRanges);
-        blocked |= isUidBlockedByRules(nri.mUid, mUidRules.get(nri.mUid),
-                metered, mRestrictBackground);
+        blocked |= NetworkPolicyManager.isUidBlocked(
+                mUidBlockedReasons.get(nri.mUid, BLOCKED_REASON_NONE), metered);
         callCallbackForRequest(nri, nai, ConnectivityManager.CALLBACK_AVAILABLE, blocked ? 1 : 0);
     }
 
@@ -7969,16 +7941,14 @@
      *
      * @param nai The target NetworkAgentInfo.
      * @param oldMetered True if the previous network capabilities is metered.
-     * @param newRestrictBackground True if data saver is enabled.
      */
     private void maybeNotifyNetworkBlocked(NetworkAgentInfo nai, boolean oldMetered,
-            boolean newMetered, boolean oldRestrictBackground, boolean newRestrictBackground,
-            List<UidRange> oldBlockedUidRanges, List<UidRange> newBlockedUidRanges) {
+            boolean newMetered, List<UidRange> oldBlockedUidRanges,
+            List<UidRange> newBlockedUidRanges) {
 
         for (int i = 0; i < nai.numNetworkRequests(); i++) {
             NetworkRequest nr = nai.requestAt(i);
             NetworkRequestInfo nri = mNetworkRequests.get(nr);
-            final int uidRules = mUidRules.get(nri.mUid);
             final boolean oldBlocked, newBlocked, oldVpnBlocked, newVpnBlocked;
 
             oldVpnBlocked = isUidBlockedByVpn(nri.mUid, oldBlockedUidRanges);
@@ -7986,10 +7956,11 @@
                     ? isUidBlockedByVpn(nri.mUid, newBlockedUidRanges)
                     : oldVpnBlocked;
 
-            oldBlocked = oldVpnBlocked || isUidBlockedByRules(nri.mUid, uidRules, oldMetered,
-                    oldRestrictBackground);
-            newBlocked = newVpnBlocked || isUidBlockedByRules(nri.mUid, uidRules, newMetered,
-                    newRestrictBackground);
+            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) {
                 callCallbackForRequest(nri, nai, ConnectivityManager.CALLBACK_BLK_CHANGED,
@@ -7999,19 +7970,20 @@
     }
 
     /**
-     * Notify apps with a given UID of the new blocked state according to new uid rules.
+     * Notify apps with a given UID of the new blocked state according to new uid state.
      * @param uid The uid for which the rules changed.
-     * @param newRules The new rules to apply.
+     * @param blockedReasons The reasons for why an uid is blocked.
      */
-    private void maybeNotifyNetworkBlockedForNewUidRules(int uid, int newRules) {
+    private void maybeNotifyNetworkBlockedForNewState(int uid, 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 || isUidBlockedByRules(
-                    uid, mUidRules.get(uid), metered, mRestrictBackground);
-            newBlocked = vpnBlocked || isUidBlockedByRules(
-                    uid, newRules, metered, mRestrictBackground);
+
+            oldBlocked = vpnBlocked || NetworkPolicyManager.isUidBlocked(
+                    mUidBlockedReasons.get(uid, BLOCKED_REASON_NONE), metered);
+            newBlocked = vpnBlocked || NetworkPolicyManager.isUidBlocked(
+                    blockedReasons, metered);
             if (oldBlocked == newBlocked) {
                 continue;
             }
diff --git a/services/core/java/com/android/server/connectivity/NetworkDiagnostics.java b/services/core/java/com/android/server/connectivity/NetworkDiagnostics.java
index 5e6b9f3..2e51be3 100644
--- a/services/core/java/com/android/server/connectivity/NetworkDiagnostics.java
+++ b/services/core/java/com/android/server/connectivity/NetworkDiagnostics.java
@@ -36,7 +36,7 @@
 import android.util.Pair;
 
 import com.android.internal.util.IndentingPrintWriter;
-import com.android.internal.util.TrafficStatsConstants;
+import com.android.net.module.util.NetworkStackConstants;
 
 import libcore.io.IoUtils;
 
@@ -446,7 +446,7 @@
                 int sockType, int protocol, long writeTimeout, long readTimeout, int dstPort)
                 throws ErrnoException, IOException {
             final int oldTag = TrafficStats.getAndSetThreadStatsTag(
-                    TrafficStatsConstants.TAG_SYSTEM_PROBE);
+                    NetworkStackConstants.TAG_SYSTEM_PROBE);
             try {
                 mFileDescriptor = Os.socket(mAddressFamily, sockType, protocol);
             } finally {
@@ -745,7 +745,7 @@
             if (ensureMeasurementNecessary()) return;
 
             // No need to restore the tag, since this thread is only used for this measurement.
-            TrafficStats.getAndSetThreadStatsTag(TrafficStatsConstants.TAG_SYSTEM_PROBE);
+            TrafficStats.getAndSetThreadStatsTag(NetworkStackConstants.TAG_SYSTEM_PROBE);
 
             try (SSLSocket sslSocket = setupSSLSocket()) {
                 sendDoTProbe(sslSocket);
diff --git a/tests/net/java/android/net/util/KeepaliveUtilsTest.kt b/tests/net/java/android/net/util/KeepaliveUtilsTest.kt
index 8ea226d..b62bdbc 100644
--- a/tests/net/java/android/net/util/KeepaliveUtilsTest.kt
+++ b/tests/net/java/android/net/util/KeepaliveUtilsTest.kt
@@ -18,6 +18,7 @@
 
 import android.content.Context
 import android.content.res.Resources
+import android.net.ConnectivityResources
 import android.net.NetworkCapabilities
 import android.net.NetworkCapabilities.MAX_TRANSPORT
 import android.net.NetworkCapabilities.TRANSPORT_CELLULAR
@@ -26,13 +27,15 @@
 import android.net.NetworkCapabilities.TRANSPORT_WIFI
 import androidx.test.filters.SmallTest
 import com.android.internal.R
+import org.junit.After
 import org.junit.Assert.assertArrayEquals
 import org.junit.Assert.assertEquals
 import org.junit.Assert.fail
 import org.junit.Test
 import org.junit.runner.RunWith
 import org.junit.runners.JUnit4
-import org.mockito.ArgumentMatchers
+import org.mockito.ArgumentMatchers.eq
+import org.mockito.Mockito.any
 import org.mockito.Mockito.doReturn
 import org.mockito.Mockito.mock
 
@@ -47,21 +50,33 @@
 class KeepaliveUtilsTest {
 
     // Prepare mocked context with given resource strings.
-    private fun getMockedContextWithStringArrayRes(id: Int, res: Array<out String?>?): Context {
+    private fun getMockedContextWithStringArrayRes(
+        id: Int,
+        name: String,
+        res: Array<out String?>?
+    ): Context {
         val mockRes = mock(Resources::class.java)
-        doReturn(res).`when`(mockRes).getStringArray(ArgumentMatchers.eq(id))
+        doReturn(res).`when`(mockRes).getStringArray(eq(id))
+        doReturn(id).`when`(mockRes).getIdentifier(eq(name), any(), any())
 
         return mock(Context::class.java).apply {
             doReturn(mockRes).`when`(this).getResources()
+            ConnectivityResources.setResourcesContextForTest(this)
         }
     }
 
+    @After
+    fun tearDown() {
+        ConnectivityResources.setResourcesContextForTest(null)
+    }
+
     @Test
     fun testGetSupportedKeepalives() {
         fun assertRunWithException(res: Array<out String?>?) {
             try {
                 val mockContext = getMockedContextWithStringArrayRes(
-                        R.array.config_networkSupportedKeepaliveCount, res)
+                        R.array.config_networkSupportedKeepaliveCount,
+                        "config_networkSupportedKeepaliveCount", res)
                 KeepaliveUtils.getSupportedKeepalives(mockContext)
                 fail("Expected KeepaliveDeviceConfigurationException")
             } catch (expected: KeepaliveUtils.KeepaliveDeviceConfigurationException) {
@@ -89,7 +104,8 @@
         val expectedValidRes = intArrayOf(3, 0, 0, 0, 4, 0, 0, 0)
 
         val mockContext = getMockedContextWithStringArrayRes(
-                R.array.config_networkSupportedKeepaliveCount, validRes)
+                R.array.config_networkSupportedKeepaliveCount,
+                "config_networkSupportedKeepaliveCount", validRes)
         val actual = KeepaliveUtils.getSupportedKeepalives(mockContext)
         assertArrayEquals(expectedValidRes, actual)
     }
diff --git a/tests/net/java/android/net/util/MultinetworkPolicyTrackerTest.kt b/tests/net/java/android/net/util/MultinetworkPolicyTrackerTest.kt
index 1945ce7..25aa626 100644
--- a/tests/net/java/android/net/util/MultinetworkPolicyTrackerTest.kt
+++ b/tests/net/java/android/net/util/MultinetworkPolicyTrackerTest.kt
@@ -21,6 +21,7 @@
 import android.net.ConnectivityManager.MULTIPATH_PREFERENCE_HANDOVER
 import android.net.ConnectivityManager.MULTIPATH_PREFERENCE_PERFORMANCE
 import android.net.ConnectivityManager.MULTIPATH_PREFERENCE_RELIABILITY
+import android.net.ConnectivityResources
 import android.net.ConnectivitySettingsManager.NETWORK_AVOID_BAD_WIFI
 import android.net.ConnectivitySettingsManager.NETWORK_METERED_MULTIPATH_PREFERENCE
 import android.net.util.MultinetworkPolicyTracker.ActiveDataSubscriptionIdListener
@@ -31,8 +32,9 @@
 import android.test.mock.MockContentResolver
 import androidx.test.filters.SmallTest
 import androidx.test.runner.AndroidJUnit4
-import com.android.internal.R
+import com.android.connectivity.resources.R
 import com.android.internal.util.test.FakeSettingsProvider
+import org.junit.After
 import org.junit.Assert.assertEquals
 import org.junit.Assert.assertFalse
 import org.junit.Assert.assertTrue
@@ -41,6 +43,7 @@
 import org.mockito.ArgumentCaptor
 import org.mockito.ArgumentMatchers.anyInt
 import org.mockito.ArgumentMatchers.argThat
+import org.mockito.ArgumentMatchers.eq
 import org.mockito.Mockito.any
 import org.mockito.Mockito.doReturn
 import org.mockito.Mockito.mock
@@ -57,6 +60,8 @@
 @SmallTest
 class MultinetworkPolicyTrackerTest {
     private val resources = mock(Resources::class.java).also {
+        doReturn(R.integer.config_networkAvoidBadWifi).`when`(it).getIdentifier(
+                eq("config_networkAvoidBadWifi"), eq("integer"), any())
         doReturn(0).`when`(it).getInteger(R.integer.config_networkAvoidBadWifi)
     }
     private val telephonyManager = mock(TelephonyManager::class.java)
@@ -75,6 +80,7 @@
         doReturn(resources).`when`(it).resources
         doReturn(it).`when`(it).createConfigurationContext(any())
         Settings.Global.putString(resolver, NETWORK_AVOID_BAD_WIFI, "1")
+        ConnectivityResources.setResourcesContextForTest(it)
     }
     private val tracker = MultinetworkPolicyTracker(context, null /* handler */)
 
@@ -85,6 +91,11 @@
         assertEquals(preference, tracker.meteredMultipathPreference)
     }
 
+    @After
+    fun tearDown() {
+        ConnectivityResources.setResourcesContextForTest(null)
+    }
+
     @Test
     fun testUpdateMeteredMultipathPreference() {
         assertMultipathPreference(MULTIPATH_PREFERENCE_HANDOVER)
diff --git a/tests/net/java/com/android/server/ConnectivityServiceTest.java b/tests/net/java/com/android/server/ConnectivityServiceTest.java
index b25a541..2b1ade4 100644
--- a/tests/net/java/com/android/server/ConnectivityServiceTest.java
+++ b/tests/net/java/com/android/server/ConnectivityServiceTest.java
@@ -87,10 +87,10 @@
 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.RULE_ALLOW_METERED;
-import static android.net.NetworkPolicyManager.RULE_NONE;
-import static android.net.NetworkPolicyManager.RULE_REJECT_ALL;
-import static android.net.NetworkPolicyManager.RULE_REJECT_METERED;
+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;
@@ -179,6 +179,7 @@
 import android.net.ConnectivityManager.PacketKeepalive;
 import android.net.ConnectivityManager.PacketKeepaliveCallback;
 import android.net.ConnectivityManager.TooManyRequestsException;
+import android.net.ConnectivityResources;
 import android.net.ConnectivitySettingsManager;
 import android.net.ConnectivityThread;
 import android.net.DataStallReportParcelable;
@@ -188,7 +189,6 @@
 import android.net.INetd;
 import android.net.INetworkMonitor;
 import android.net.INetworkMonitorCallbacks;
-import android.net.INetworkPolicyListener;
 import android.net.IOnCompleteListener;
 import android.net.IQosCallback;
 import android.net.InetAddresses;
@@ -207,6 +207,7 @@
 import android.net.NetworkInfo;
 import android.net.NetworkInfo.DetailedState;
 import android.net.NetworkPolicyManager;
+import android.net.NetworkPolicyManager.NetworkPolicyCallback;
 import android.net.NetworkRequest;
 import android.net.NetworkScore;
 import android.net.NetworkSpecifier;
@@ -283,7 +284,6 @@
 import com.android.net.module.util.ArrayTrackRecord;
 import com.android.server.ConnectivityService.ConnectivityDiagnosticsCallbackInfo;
 import com.android.server.connectivity.ConnectivityConstants;
-import com.android.server.connectivity.ConnectivityResources;
 import com.android.server.connectivity.MockableSystemProperties;
 import com.android.server.connectivity.Nat464Xlat;
 import com.android.server.connectivity.NetworkAgentInfo;
@@ -424,7 +424,7 @@
     private TestNetworkAgentWrapper mEthernetNetworkAgent;
     private MockVpn mMockVpn;
     private Context mContext;
-    private INetworkPolicyListener mPolicyListener;
+    private NetworkPolicyCallback mPolicyCallback;
     private WrappedMultinetworkPolicyTracker mPolicyTracker;
     private HandlerThread mAlarmManagerThread;
     private TestNetIdManager mNetIdManager;
@@ -436,8 +436,7 @@
     private TestNetworkCallback mProfileDefaultNetworkCallback;
 
     // State variables required to emulate NetworkPolicyManagerService behaviour.
-    private int mUidRules = RULE_NONE;
-    private boolean mRestrictBackground = false;
+    private int mBlockedReasons = BLOCKED_REASON_NONE;
 
     @Mock DeviceIdleInternal mDeviceIdleInternal;
     @Mock INetworkManagementService mNetworkManagementService;
@@ -1376,28 +1375,13 @@
     }
 
     private void mockUidNetworkingBlocked() {
-        doAnswer(i -> mContext.getSystemService(NetworkPolicyManager.class)
-                .checkUidNetworkingBlocked(i.getArgument(0) /* uid */, mUidRules,
-                        i.getArgument(1) /* metered */, mRestrictBackground)
+        doAnswer(i -> NetworkPolicyManager.isUidBlocked(mBlockedReasons, i.getArgument(1))
         ).when(mNetworkPolicyManager).isUidNetworkingBlocked(anyInt(), anyBoolean());
-
-        doAnswer(inv -> mContext.getSystemService(NetworkPolicyManager.class)
-                .checkUidNetworkingBlocked(inv.getArgument(0) /* uid */,
-                        inv.getArgument(1) /* uidRules */,
-                        inv.getArgument(2) /* isNetworkMetered */,
-                        inv.getArgument(3) /* isBackgroundRestricted */)
-        ).when(mNetworkPolicyManager).checkUidNetworkingBlocked(
-                anyInt(), anyInt(), anyBoolean(), anyBoolean());
     }
 
-    private void setUidRulesChanged(int uidRules) throws RemoteException {
-        mUidRules = uidRules;
-        mPolicyListener.onUidRulesChanged(Process.myUid(), mUidRules);
-    }
-
-    private void setRestrictBackgroundChanged(boolean restrictBackground) throws RemoteException {
-        mRestrictBackground = restrictBackground;
-        mPolicyListener.onRestrictBackgroundChanged(mRestrictBackground);
+    private void setBlockedReasonChanged(int blockedReasons) {
+        mBlockedReasons = blockedReasons;
+        mPolicyCallback.onUidBlockedReasonChanged(Process.myUid(), blockedReasons);
     }
 
     private Nat464Xlat getNat464Xlat(NetworkAgentWrapper mna) {
@@ -1541,10 +1525,11 @@
         mService.mNascentDelayMs = TEST_NASCENT_DELAY_MS;
         verify(mDeps).makeMultinetworkPolicyTracker(any(), any(), any());
 
-        final ArgumentCaptor<INetworkPolicyListener> policyListenerCaptor =
-                ArgumentCaptor.forClass(INetworkPolicyListener.class);
-        verify(mNetworkPolicyManager).registerListener(policyListenerCaptor.capture());
-        mPolicyListener = policyListenerCaptor.getValue();
+        final ArgumentCaptor<NetworkPolicyCallback> policyCallbackCaptor =
+                ArgumentCaptor.forClass(NetworkPolicyCallback.class);
+        verify(mNetworkPolicyManager).registerNetworkPolicyCallback(any(),
+                policyCallbackCaptor.capture());
+        mPolicyCallback = policyCallbackCaptor.getValue();
 
         // Create local CM before sending system ready so that we can answer
         // getSystemService() correctly.
@@ -1588,11 +1573,19 @@
                 com.android.connectivity.resources.R.string.config_networkCaptivePortalServerUrl);
         doReturn(new String[]{ WIFI_WOL_IFNAME }).when(mResources).getStringArray(
                 com.android.connectivity.resources.R.array.config_wakeonlan_supported_interfaces);
-        final com.android.server.connectivity.ConnectivityResources connRes = mock(
-                ConnectivityResources.class);
+        doReturn(new String[] { "0,1", "1,3" }).when(mResources).getStringArray(
+                com.android.connectivity.resources.R.array.config_networkSupportedKeepaliveCount);
+        doReturn(com.android.connectivity.resources.R.array.config_networkSupportedKeepaliveCount)
+                .when(mResources).getIdentifier(eq("config_networkSupportedKeepaliveCount"),
+                eq("array"), any());
+        final ConnectivityResources connRes = mock(ConnectivityResources.class);
         doReturn(mResources).when(connRes).get();
         doReturn(connRes).when(deps).getResources(any());
 
+        final Context mockResContext = mock(Context.class);
+        doReturn(mResources).when(mockResContext).getResources();
+        ConnectivityResources.setResourcesContextForTest(mockResContext);
+
         return deps;
     }
 
@@ -1648,6 +1641,7 @@
         waitForIdle();
 
         FakeSettingsProvider.clearSettingsProvider();
+        ConnectivityResources.setResourcesContextForTest(null);
 
         mCsHandlerThread.quitSafely();
         mAlarmManagerThread.quitSafely();
@@ -3797,7 +3791,7 @@
      * @return the context's attribution tag
      */
     private String getAttributionTag() {
-        return null;
+        return mContext.getAttributionTag();
     }
 
     @Test
@@ -7271,7 +7265,7 @@
         assertNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
         assertExtraInfoFromCmPresent(mCellNetworkAgent);
 
-        setUidRulesChanged(RULE_REJECT_ALL);
+        setBlockedReasonChanged(BLOCKED_REASON_BATTERY_SAVER);
         cellNetworkCallback.expectBlockedStatusCallback(true, mCellNetworkAgent);
         assertNull(mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.BLOCKED);
@@ -7279,17 +7273,17 @@
         assertExtraInfoFromCmBlocked(mCellNetworkAgent);
 
         // ConnectivityService should cache it not to invoke the callback again.
-        setUidRulesChanged(RULE_REJECT_METERED);
+        setBlockedReasonChanged(BLOCKED_METERED_REASON_USER_RESTRICTED);
         cellNetworkCallback.assertNoCallback();
 
-        setUidRulesChanged(RULE_NONE);
+        setBlockedReasonChanged(BLOCKED_REASON_NONE);
         cellNetworkCallback.expectBlockedStatusCallback(false, mCellNetworkAgent);
         assertEquals(mCellNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
         assertNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
         assertExtraInfoFromCmPresent(mCellNetworkAgent);
 
-        setUidRulesChanged(RULE_REJECT_METERED);
+        setBlockedReasonChanged(BLOCKED_METERED_REASON_DATA_SAVER);
         cellNetworkCallback.expectBlockedStatusCallback(true, mCellNetworkAgent);
         assertNull(mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.BLOCKED);
@@ -7314,33 +7308,33 @@
         assertNetworkInfo(TYPE_MOBILE, DetailedState.BLOCKED);
         assertExtraInfoFromCmBlocked(mCellNetworkAgent);
 
-        setUidRulesChanged(RULE_ALLOW_METERED);
+        setBlockedReasonChanged(BLOCKED_REASON_NONE);
         cellNetworkCallback.expectBlockedStatusCallback(false, mCellNetworkAgent);
         assertEquals(mCellNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
         assertNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
         assertExtraInfoFromCmPresent(mCellNetworkAgent);
 
-        setUidRulesChanged(RULE_NONE);
+        setBlockedReasonChanged(BLOCKED_REASON_NONE);
         cellNetworkCallback.assertNoCallback();
 
         // Restrict background data. Networking is not blocked because the network is unmetered.
-        setRestrictBackgroundChanged(true);
+        setBlockedReasonChanged(BLOCKED_METERED_REASON_DATA_SAVER);
         cellNetworkCallback.expectBlockedStatusCallback(true, mCellNetworkAgent);
         assertNull(mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.BLOCKED);
         assertNetworkInfo(TYPE_MOBILE, DetailedState.BLOCKED);
         assertExtraInfoFromCmBlocked(mCellNetworkAgent);
-        setRestrictBackgroundChanged(true);
+        setBlockedReasonChanged(BLOCKED_METERED_REASON_DATA_SAVER);
         cellNetworkCallback.assertNoCallback();
 
-        setUidRulesChanged(RULE_ALLOW_METERED);
+        setBlockedReasonChanged(BLOCKED_REASON_NONE);
         cellNetworkCallback.expectBlockedStatusCallback(false, mCellNetworkAgent);
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
         assertNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
         assertExtraInfoFromCmPresent(mCellNetworkAgent);
 
-        setRestrictBackgroundChanged(false);
+        setBlockedReasonChanged(BLOCKED_REASON_NONE);
         cellNetworkCallback.assertNoCallback();
         assertEquals(mCellNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
@@ -7357,9 +7351,9 @@
         mockUidNetworkingBlocked();
 
         // No Networkcallbacks invoked before any network is active.
-        setUidRulesChanged(RULE_REJECT_ALL);
-        setUidRulesChanged(RULE_NONE);
-        setUidRulesChanged(RULE_REJECT_METERED);
+        setBlockedReasonChanged(BLOCKED_REASON_BATTERY_SAVER);
+        setBlockedReasonChanged(BLOCKED_REASON_NONE);
+        setBlockedReasonChanged(BLOCKED_METERED_REASON_DATA_SAVER);
         defaultCallback.assertNoCallback();
 
         mCellNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_CELLULAR);
@@ -7384,8 +7378,8 @@
         defaultCallback.expectBlockedStatusCallback(false, mCellNetworkAgent);
 
         // Verify there's no Networkcallbacks invoked after data saver on/off.
-        setRestrictBackgroundChanged(true);
-        setRestrictBackgroundChanged(false);
+        setBlockedReasonChanged(BLOCKED_METERED_REASON_DATA_SAVER);
+        setBlockedReasonChanged(BLOCKED_REASON_NONE);
         defaultCallback.assertNoCallback();
 
         mCellNetworkAgent.disconnect();
diff --git a/tests/net/java/com/android/server/connectivity/NetworkNotificationManagerTest.java b/tests/net/java/com/android/server/connectivity/NetworkNotificationManagerTest.java
index ff8c632..d01dc03 100644
--- a/tests/net/java/com/android/server/connectivity/NetworkNotificationManagerTest.java
+++ b/tests/net/java/com/android/server/connectivity/NetworkNotificationManagerTest.java
@@ -20,6 +20,7 @@
 
 import static org.mockito.Mockito.any;
 import static org.mockito.Mockito.anyInt;
+import static org.mockito.Mockito.clearInvocations;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.eq;
 import static org.mockito.Mockito.mock;
@@ -39,6 +40,7 @@
 import android.net.NetworkInfo;
 import android.os.UserHandle;
 import android.telephony.TelephonyManager;
+import android.util.DisplayMetrics;
 
 import androidx.test.filters.SmallTest;
 import androidx.test.runner.AndroidJUnit4;
@@ -88,6 +90,7 @@
 
     @Mock Context mCtx;
     @Mock Resources mResources;
+    @Mock DisplayMetrics mDisplayMetrics;
     @Mock PackageManager mPm;
     @Mock TelephonyManager mTelephonyManager;
     @Mock NotificationManager mNotificationManager;
@@ -99,6 +102,17 @@
 
     NetworkNotificationManager mManager;
 
+
+    @BeforeClass
+    public static void setUpClass() {
+        Notification.DevFlags.sForceDefaults = true;
+    }
+
+    @AfterClass
+    public static void tearDownClass() {
+        Notification.DevFlags.sForceDefaults = false;
+    }
+
     @Before
     public void setUp() {
         MockitoAnnotations.initMocks(this);
@@ -109,6 +123,7 @@
         mCellNai.networkInfo = mNetworkInfo;
         mVpnNai.networkCapabilities = VPN_CAPABILITIES;
         mVpnNai.networkInfo = mNetworkInfo;
+        mDisplayMetrics.density = 2.275f;
         doReturn(true).when(mVpnNai).isVPN();
         when(mCtx.getResources()).thenReturn(mResources);
         when(mCtx.getPackageManager()).thenReturn(mPm);
@@ -120,6 +135,7 @@
                 .thenReturn(mNotificationManager);
         when(mNetworkInfo.getExtraInfo()).thenReturn(TEST_EXTRA_INFO);
         when(mResources.getColor(anyInt(), any())).thenReturn(0xFF607D8B);
+        when(mResources.getDisplayMetrics()).thenReturn(mDisplayMetrics);
 
         mManager = new NetworkNotificationManager(mCtx, mTelephonyManager);
     }
@@ -142,15 +158,15 @@
     public void testTitleOfPrivateDnsBroken() {
         // Test the title of mobile data.
         verifyTitleByNetwork(100, mCellNai, R.string.mobile_no_internet);
-        reset(mResources);
+        clearInvocations(mResources);
 
         // Test the title of wifi.
         verifyTitleByNetwork(101, mWifiNai, R.string.wifi_no_internet);
-        reset(mResources);
+        clearInvocations(mResources);
 
         // Test the title of other networks.
         verifyTitleByNetwork(102, mVpnNai, R.string.other_networks_no_internet);
-        reset(mResources);
+        clearInvocations(mResources);
     }
 
     @Test