diff --git a/service/Android.bp b/service/Android.bp
index 856f3b8..f630cea 100644
--- a/service/Android.bp
+++ b/service/Android.bp
@@ -60,6 +60,7 @@
         "services.core",
         "services.net",
         "unsupportedappusage",
+        "ServiceConnectivityResources",
     ],
     static_libs: [
         "modules-utils-os",
diff --git a/service/ServiceConnectivityResources/Android.bp b/service/ServiceConnectivityResources/Android.bp
new file mode 100644
index 0000000..f2446b7
--- /dev/null
+++ b/service/ServiceConnectivityResources/Android.bp
@@ -0,0 +1,35 @@
+//
+// 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.
+//
+
+// APK to hold all the wifi overlayable resources.
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+android_app {
+    name: "ServiceConnectivityResources",
+    sdk_version: "system_current",
+    resource_dirs: [
+        "res",
+    ],
+    privileged: true,
+    export_package_resources: true,
+    apex_available: [
+        "com.android.tethering",
+    ],
+    // TODO: use a dedicated cert once generated
+    certificate: "platform",
+}
diff --git a/service/ServiceConnectivityResources/AndroidManifest.xml b/service/ServiceConnectivityResources/AndroidManifest.xml
new file mode 100644
index 0000000..2c30302
--- /dev/null
+++ b/service/ServiceConnectivityResources/AndroidManifest.xml
@@ -0,0 +1,37 @@
+<?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.
+ */
+-->
+<!-- Manifest for connectivity resources APK -->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="com.android.connectivity.resources"
+          coreApp="true"
+          android:versionCode="1"
+          android:versionName="S-initial">
+    <application
+        android:label="@string/connectivityResourcesAppLabel"
+        android:defaultToDeviceProtectedStorage="true"
+        android:directBootAware="true">
+        <!-- This is only used to identify this app by resolving the action.
+             The activity is never actually triggered. -->
+        <activity android:name="android.app.Activity" android:exported="true" android:enabled="true">
+            <intent-filter>
+                <action android:name="com.android.server.connectivity.intent.action.SERVICE_CONNECTIVITY_RESOURCES_APK" />
+            </intent-filter>
+        </activity>
+    </application>
+</manifest>
diff --git a/service/ServiceConnectivityResources/res/values/config.xml b/service/ServiceConnectivityResources/res/values/config.xml
new file mode 100644
index 0000000..7d98c76
--- /dev/null
+++ b/service/ServiceConnectivityResources/res/values/config.xml
@@ -0,0 +1,45 @@
+<?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>
+
+    <!-- Configuration hook for the URL returned by ConnectivityManager#getCaptivePortalServerUrl.
+         If empty, the returned value is controlled by Settings.Global.CAPTIVE_PORTAL_HTTP_URL,
+         and if that value is empty, the framework will use a hard-coded default.
+         This is *NOT* a URL that will always be used by the system network validation to detect
+         captive portals: NetworkMonitor may use different strategies and will not necessarily use
+         this URL. NetworkMonitor behaviour should be configured with NetworkStack resource overlays
+         instead. -->
+    <!--suppress CheckTagEmptyBody -->
+    <string translatable="false" name="config_networkCaptivePortalServerUrl"></string>
+
+    <!-- The maximum duration (in milliseconds) we expect a network transition to take -->
+    <integer name="config_networkTransitionTimeout">60000</integer>
+
+    <!-- Configuration of network interfaces that support WakeOnLAN -->
+    <string-array translatable="false" name="config_wakeonlan_supported_interfaces">
+        <!--
+        <item>wlan0</item>
+        <item>eth0</item>
+        -->
+    </string-array>
+
+</resources>
\ No newline at end of file
diff --git a/service/ServiceConnectivityResources/res/values/overlayable.xml b/service/ServiceConnectivityResources/res/values/overlayable.xml
new file mode 100644
index 0000000..00ec2df
--- /dev/null
+++ b/service/ServiceConnectivityResources/res/values/overlayable.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.
+-->
+<resources xmlns:android="http://schemas.android.com/apk/res/android">
+    <overlayable name="ServiceConnectivityResourcesConfig">
+        <policy type="product|system|vendor">
+            <!-- Configuration values for ConnectivityService -->
+            <item type="string" name="config_networkCaptivePortalServerUrl"/>
+            <item type="integer" name="config_networkTransitionTimeout"/>
+            <item type="array" name="config_wakeonlan_supported_interfaces"/>
+
+
+        </policy>
+    </overlayable>
+</resources>
diff --git a/service/ServiceConnectivityResources/res/values/strings.xml b/service/ServiceConnectivityResources/res/values/strings.xml
new file mode 100644
index 0000000..2c7b992
--- /dev/null
+++ b/service/ServiceConnectivityResources/res/values/strings.xml
@@ -0,0 +1,22 @@
+<?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.
+  -->
+<resources>
+    <!-- The System Connectivity Resources package is an internal system package that provides
+         configuration values for system networking that were pre-configured in the device. This
+         is the name of the package to display in the list of system apps. [CHAR LIMIT=40] -->
+    <string name="connectivityResourcesAppLabel">System Connectivity Resources</string>
+</resources>
\ 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 3d55c16..72d3263 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -187,7 +187,6 @@
 import android.util.SparseIntArray;
 
 import com.android.connectivity.aidl.INetworkAgent;
-import com.android.internal.R;
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.util.AsyncChannel;
@@ -202,6 +201,7 @@
 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;
@@ -317,6 +317,7 @@
     private boolean mRestrictBackground;
 
     private final Context mContext;
+    private final ConnectivityResources mResources;
     // The Context is created for UserHandle.ALL.
     private final Context mUserAllContext;
     private final Dependencies mDeps;
@@ -605,7 +606,6 @@
     private Intent mInitialBroadcast;
 
     private PowerManager.WakeLock mNetTransitionWakeLock;
-    private int mNetTransitionWakeLockTimeout;
     private final PowerManager.WakeLock mPendingIntentWakeLock;
 
     // A helper object to track the current default HTTP proxy. ConnectivityService needs to tell
@@ -1013,6 +1013,13 @@
         }
 
         /**
+         * Get the {@link ConnectivityResources} to use in ConnectivityService.
+         */
+        public ConnectivityResources getResources(@NonNull Context ctx) {
+            return new ConnectivityResources(ctx);
+        }
+
+        /**
          * Create a HandlerThread to use in ConnectivityService.
          */
         public HandlerThread makeHandlerThread() {
@@ -1094,6 +1101,7 @@
         mSystemProperties = mDeps.getSystemProperties();
         mNetIdManager = mDeps.makeNetIdManager();
         mContext = Objects.requireNonNull(context, "missing Context");
+        mResources = deps.getResources(mContext);
         mNetworkRequestCounter = new PerUidCounter(MAX_NETWORK_REQUESTS_PER_UID);
 
         mMetricsLog = logger;
@@ -1154,8 +1162,6 @@
         final PowerManager powerManager = (PowerManager) context.getSystemService(
                 Context.POWER_SERVICE);
         mNetTransitionWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG);
-        mNetTransitionWakeLockTimeout = mContext.getResources().getInteger(
-                com.android.internal.R.integer.config_networkTransitionTimeout);
         mPendingIntentWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG);
 
         mNetConfigs = new NetworkConfig[ConnectivityManager.MAX_NETWORK_TYPE+1];
@@ -1222,10 +1228,6 @@
             }
         }
 
-        mWolSupportedInterfaces = new ArraySet(
-                mContext.getResources().getStringArray(
-                        com.android.internal.R.array.config_wakeonlan_supported_interfaces));
-
         mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
 
         mPermissionMonitor = new PermissionMonitor(mContext, mNetd);
@@ -4623,7 +4625,9 @@
         }
         mWakelockLogs.log("ACQUIRE for " + forWhom);
         Message msg = mHandler.obtainMessage(EVENT_EXPIRE_NET_TRANSITION_WAKELOCK);
-        mHandler.sendMessageDelayed(msg, mNetTransitionWakeLockTimeout);
+        final int lockTimeout = mResources.get().getInteger(
+                com.android.connectivity.resources.R.integer.config_networkTransitionTimeout);
+        mHandler.sendMessageDelayed(msg, lockTimeout);
     }
 
     // Called when we gain a new default network to release the network transition wakelock in a
@@ -6520,6 +6524,11 @@
     }
 
     private void updateWakeOnLan(@NonNull LinkProperties lp) {
+        if (mWolSupportedInterfaces == null) {
+            mWolSupportedInterfaces = new ArraySet<>(mResources.get().getStringArray(
+                    com.android.connectivity.resources.R.array
+                            .config_wakeonlan_supported_interfaces));
+        }
         lp.setWakeOnLanSupported(mWolSupportedInterfaces.contains(lp.getInterfaceName()));
     }
 
@@ -8077,8 +8086,8 @@
     @Override
     public String getCaptivePortalServerUrl() {
         enforceNetworkStackOrSettingsPermission();
-        String settingUrl = mContext.getResources().getString(
-                R.string.config_networkCaptivePortalServerUrl);
+        String settingUrl = mResources.get().getString(
+                com.android.connectivity.resources.R.string.config_networkCaptivePortalServerUrl);
 
         if (!TextUtils.isEmpty(settingUrl)) {
             return settingUrl;
diff --git a/services/core/java/com/android/server/connectivity/ConnectivityResources.java b/services/core/java/com/android/server/connectivity/ConnectivityResources.java
new file mode 100644
index 0000000..45cf21e
--- /dev/null
+++ b/services/core/java/com/android/server/connectivity/ConnectivityResources.java
@@ -0,0 +1,83 @@
+/*
+ * 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.
+ */
+
+package com.android.server.connectivity;
+
+import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY;
+
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.content.res.Resources;
+import android.util.Log;
+
+import com.android.server.ConnectivityService;
+
+import java.util.List;
+
+/**
+ * Utility to obtain the {@link ConnectivityService} {@link Resources}, in the
+ * ServiceConnectivityResources APK.
+ */
+public class ConnectivityResources {
+    private static final String RESOURCES_APK_INTENT =
+            "com.android.server.connectivity.intent.action.SERVICE_CONNECTIVITY_RESOURCES_APK";
+    private static final String RES_PKG_DIR = "/apex/com.android.tethering/";
+
+    @NonNull
+    private final Context mContext;
+
+    @Nullable
+    private Resources mResources = null;
+
+    public ConnectivityResources(Context context) {
+        mContext = context;
+    }
+
+    /**
+     * Get the {@link Resources} of the ServiceConnectivityResources APK.
+     */
+    public synchronized Resources get() {
+        if (mResources != null) {
+            return mResources;
+        }
+
+        final List<ResolveInfo> pkgs = mContext.getPackageManager()
+                .queryIntentActivities(new Intent(RESOURCES_APK_INTENT), MATCH_SYSTEM_ONLY);
+        pkgs.removeIf(pkg -> !pkg.activityInfo.applicationInfo.sourceDir.startsWith(RES_PKG_DIR));
+        if (pkgs.size() > 1) {
+            Log.wtf(ConnectivityResources.class.getSimpleName(),
+                    "More than one package found: " + pkgs);
+        }
+        if (pkgs.isEmpty()) {
+            throw new IllegalStateException("No connectivity resource package found");
+        }
+
+        final Context pkgContext;
+        try {
+            pkgContext = mContext.createPackageContext(
+                    pkgs.get(0).activityInfo.applicationInfo.packageName, 0 /* flags */);
+        } catch (PackageManager.NameNotFoundException e) {
+            throw new IllegalStateException("Resolved package not found", e);
+        }
+
+        mResources = pkgContext.getResources();
+        return mResources;
+    }
+}
diff --git a/tests/net/Android.bp b/tests/net/Android.bp
index 7f0318a..e1a424f 100644
--- a/tests/net/Android.bp
+++ b/tests/net/Android.bp
@@ -79,6 +79,7 @@
         "android.test.runner",
         "android.test.base",
         "android.test.mock",
+        "ServiceConnectivityResources",
     ],
     jni_libs: [
         "libservice-connectivity",
diff --git a/tests/net/java/com/android/server/ConnectivityServiceTest.java b/tests/net/java/com/android/server/ConnectivityServiceTest.java
index bdfb42a..9db5854 100644
--- a/tests/net/java/com/android/server/ConnectivityServiceTest.java
+++ b/tests/net/java/com/android/server/ConnectivityServiceTest.java
@@ -275,6 +275,7 @@
 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;
@@ -444,6 +445,7 @@
     @Mock NetworkPolicyManager mNetworkPolicyManager;
     @Mock VpnProfileStore mVpnProfileStore;
     @Mock SystemConfigManager mSystemConfigManager;
+    @Mock Resources mResources;
 
     private ArgumentCaptor<ResolverParamsParcel> mResolverParamsParcelCaptor =
             ArgumentCaptor.forClass(ResolverParamsParcel.class);
@@ -471,7 +473,7 @@
     private class MockContext extends BroadcastInterceptingContext {
         private final MockContentResolver mContentResolver;
 
-        @Spy private Resources mResources;
+        @Spy private Resources mInternalResources;
         private final LinkedBlockingQueue<Intent> mStartedActivities = new LinkedBlockingQueue<>();
 
         // Map of permission name -> PermissionManager.Permission_{GRANTED|DENIED} constant
@@ -480,21 +482,15 @@
         MockContext(Context base, ContentProvider settingsProvider) {
             super(base);
 
-            mResources = spy(base.getResources());
-            when(mResources.getStringArray(com.android.internal.R.array.networkAttributes)).
-                    thenReturn(new String[] {
+            mInternalResources = spy(base.getResources());
+            when(mInternalResources.getStringArray(com.android.internal.R.array.networkAttributes))
+                    .thenReturn(new String[] {
                             "wifi,1,1,1,-1,true",
                             "mobile,0,0,0,-1,true",
                             "mobile_mms,2,0,2,60000,true",
                             "mobile_supl,3,0,2,60000,true",
                     });
 
-            when(mResources.getStringArray(
-                    com.android.internal.R.array.config_wakeonlan_supported_interfaces))
-                    .thenReturn(new String[]{
-                            WIFI_WOL_IFNAME,
-                    });
-
             mContentResolver = new MockContentResolver();
             mContentResolver.addProvider(Settings.AUTHORITY, settingsProvider);
         }
@@ -559,7 +555,7 @@
 
         @Override
         public Resources getResources() {
-            return mResources;
+            return mInternalResources;
         }
 
         @Override
@@ -1532,6 +1528,17 @@
         }).when(deps).makeMultinetworkPolicyTracker(any(), any(), any());
         doReturn(true).when(deps).getCellular464XlatEnabled();
 
+        doReturn(60000).when(mResources).getInteger(
+                com.android.connectivity.resources.R.integer.config_networkTransitionTimeout);
+        doReturn("").when(mResources).getString(
+                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(mResources).when(connRes).get();
+        doReturn(connRes).when(deps).getResources(any());
+
         return deps;
     }