diff --git a/framework/aidl-export/android/net/NetworkScore.aidl b/framework/aidl-export/android/net/NetworkScore.aidl
new file mode 100644
index 0000000..af12dcf
--- /dev/null
+++ b/framework/aidl-export/android/net/NetworkScore.aidl
@@ -0,0 +1,20 @@
+/**
+ * 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 android.net;
+
+parcelable NetworkScore;
+
diff --git a/framework/api/module-lib-current.txt b/framework/api/module-lib-current.txt
index bb29647..7a91f64 100644
--- a/framework/api/module-lib-current.txt
+++ b/framework/api/module-lib-current.txt
@@ -6,16 +6,25 @@
   }
 
   public class ConnectivityManager {
+    method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void factoryReset();
     method @NonNull @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK, android.Manifest.permission.NETWORK_SETTINGS}) public java.util.List<android.net.NetworkStateSnapshot> getAllNetworkStateSnapshot();
+    method @Nullable public android.net.ProxyInfo getGlobalProxy();
     method @NonNull public static android.util.Range<java.lang.Integer> getIpSecNetIdRange();
     method @NonNull public static String getPrivateDnsMode(@NonNull android.content.Context);
     method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_SETTINGS}) public void registerSystemDefaultNetworkCallback(@NonNull android.net.ConnectivityManager.NetworkCallback, @NonNull android.os.Handler);
     method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void requestBackgroundNetwork(@NonNull android.net.NetworkRequest, @NonNull android.os.Handler, @NonNull android.net.ConnectivityManager.NetworkCallback);
+    method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_SETUP_WIZARD, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void setAcceptPartialConnectivity(@NonNull android.net.Network, boolean, boolean);
+    method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_SETUP_WIZARD, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void setAcceptUnvalidated(@NonNull android.net.Network, boolean, boolean);
+    method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_SETUP_WIZARD, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void setAvoidUnvalidated(@NonNull android.net.Network);
+    method @RequiresPermission(android.Manifest.permission.NETWORK_STACK) public void setGlobalProxy(@Nullable android.net.ProxyInfo);
     method @RequiresPermission(android.Manifest.permission.NETWORK_STACK) public void setProfileNetworkPreference(@NonNull android.os.UserHandle, int, @Nullable java.util.concurrent.Executor, @Nullable Runnable);
     method @RequiresPermission(anyOf={android.Manifest.permission.MANAGE_TEST_NETWORKS, android.Manifest.permission.NETWORK_STACK}) public void simulateDataStall(int, long, @NonNull android.net.Network, @NonNull android.os.PersistableBundle);
+    method public void systemReady();
     field public static final String PRIVATE_DNS_MODE_OFF = "off";
     field public static final String PRIVATE_DNS_MODE_OPPORTUNISTIC = "opportunistic";
     field public static final String PRIVATE_DNS_MODE_PROVIDER_HOSTNAME = "hostname";
+    field public static final int PROFILE_NETWORK_PREFERENCE_DEFAULT = 0; // 0x0
+    field public static final int PROFILE_NETWORK_PREFERENCE_ENTERPRISE = 1; // 0x1
   }
 
   public final class NetworkAgentConfig implements android.os.Parcelable {
diff --git a/framework/api/system-current.txt b/framework/api/system-current.txt
index 4dca411..8845225 100644
--- a/framework/api/system-current.txt
+++ b/framework/api/system-current.txt
@@ -18,7 +18,7 @@
     method public long getRefreshTimeMillis();
     method @Nullable public android.net.Uri getUserPortalUrl();
     method public int getUserPortalUrlSource();
-    method @Nullable public String getVenueFriendlyName();
+    method @Nullable public CharSequence getVenueFriendlyName();
     method @Nullable public android.net.Uri getVenueInfoUrl();
     method public int getVenueInfoUrlSource();
     method public boolean isCaptive();
@@ -40,7 +40,7 @@
     method @NonNull public android.net.CaptivePortalData.Builder setSessionExtendable(boolean);
     method @NonNull public android.net.CaptivePortalData.Builder setUserPortalUrl(@Nullable android.net.Uri);
     method @NonNull public android.net.CaptivePortalData.Builder setUserPortalUrl(@Nullable android.net.Uri, int);
-    method @NonNull public android.net.CaptivePortalData.Builder setVenueFriendlyName(@Nullable String);
+    method @NonNull public android.net.CaptivePortalData.Builder setVenueFriendlyName(@Nullable CharSequence);
     method @NonNull public android.net.CaptivePortalData.Builder setVenueInfoUrl(@Nullable android.net.Uri);
     method @NonNull public android.net.CaptivePortalData.Builder setVenueInfoUrl(@Nullable android.net.Uri, int);
   }
@@ -67,8 +67,6 @@
     method @Deprecated @RequiresPermission(android.Manifest.permission.TETHER_PRIVILEGED) public void unregisterTetheringEventCallback(@NonNull android.net.ConnectivityManager.OnTetheringEventCallback);
     field public static final String EXTRA_CAPTIVE_PORTAL_PROBE_SPEC = "android.net.extra.CAPTIVE_PORTAL_PROBE_SPEC";
     field public static final String EXTRA_CAPTIVE_PORTAL_USER_AGENT = "android.net.extra.CAPTIVE_PORTAL_USER_AGENT";
-    field public static final int PROFILE_NETWORK_PREFERENCE_DEFAULT = 0; // 0x0
-    field public static final int PROFILE_NETWORK_PREFERENCE_ENTERPRISE = 1; // 0x1
     field public static final int TETHERING_BLUETOOTH = 2; // 0x2
     field public static final int TETHERING_USB = 1; // 0x1
     field public static final int TETHERING_WIFI = 0; // 0x0
diff --git a/framework/src/android/net/CaptivePortalData.java b/framework/src/android/net/CaptivePortalData.java
index eafda4d..82dbd0f 100644
--- a/framework/src/android/net/CaptivePortalData.java
+++ b/framework/src/android/net/CaptivePortalData.java
@@ -42,7 +42,7 @@
     private final long mByteLimit;
     private final long mExpiryTimeMillis;
     private final boolean mCaptive;
-    private final String mVenueFriendlyName;
+    private final CharSequence mVenueFriendlyName;
     private final int mVenueInfoUrlSource;
     private final int mUserPortalUrlSource;
 
@@ -65,7 +65,7 @@
 
     private CaptivePortalData(long refreshTimeMillis, Uri userPortalUrl, Uri venueInfoUrl,
             boolean isSessionExtendable, long byteLimit, long expiryTimeMillis, boolean captive,
-            String venueFriendlyName, int venueInfoUrlSource, int userPortalUrlSource) {
+            CharSequence venueFriendlyName, int venueInfoUrlSource, int userPortalUrlSource) {
         mRefreshTimeMillis = refreshTimeMillis;
         mUserPortalUrl = userPortalUrl;
         mVenueInfoUrl = venueInfoUrl;
@@ -80,7 +80,7 @@
 
     private CaptivePortalData(Parcel p) {
         this(p.readLong(), p.readParcelable(null), p.readParcelable(null), p.readBoolean(),
-                p.readLong(), p.readLong(), p.readBoolean(), p.readString(), p.readInt(),
+                p.readLong(), p.readLong(), p.readBoolean(), p.readCharSequence(), p.readInt(),
                 p.readInt());
     }
 
@@ -98,7 +98,7 @@
         dest.writeLong(mByteLimit);
         dest.writeLong(mExpiryTimeMillis);
         dest.writeBoolean(mCaptive);
-        dest.writeString(mVenueFriendlyName);
+        dest.writeCharSequence(mVenueFriendlyName);
         dest.writeInt(mVenueInfoUrlSource);
         dest.writeInt(mUserPortalUrlSource);
     }
@@ -114,7 +114,7 @@
         private long mBytesRemaining = -1;
         private long mExpiryTime = -1;
         private boolean mCaptive;
-        private String mVenueFriendlyName;
+        private CharSequence mVenueFriendlyName;
         private @CaptivePortalDataSource int mVenueInfoUrlSource = CAPTIVE_PORTAL_DATA_SOURCE_OTHER;
         private @CaptivePortalDataSource int mUserPortalUrlSource =
                 CAPTIVE_PORTAL_DATA_SOURCE_OTHER;
@@ -228,7 +228,7 @@
          * Set the venue friendly name.
          */
         @NonNull
-        public Builder setVenueFriendlyName(@Nullable String venueFriendlyName) {
+        public Builder setVenueFriendlyName(@Nullable CharSequence venueFriendlyName) {
             mVenueFriendlyName = venueFriendlyName;
             return this;
         }
@@ -321,7 +321,7 @@
      * Get the venue friendly name
      */
     @Nullable
-    public String getVenueFriendlyName() {
+    public CharSequence getVenueFriendlyName() {
         return mVenueFriendlyName;
     }
 
diff --git a/framework/src/android/net/ConnectivityManager.java b/framework/src/android/net/ConnectivityManager.java
index a621233..f748159 100644
--- a/framework/src/android/net/ConnectivityManager.java
+++ b/framework/src/android/net/ConnectivityManager.java
@@ -16,6 +16,8 @@
 package android.net;
 
 import static android.annotation.SystemApi.Client.MODULE_LIBRARIES;
+import static android.net.ConnectivitySettingsManager.PRIVATE_DNS_DEFAULT_MODE;
+import static android.net.ConnectivitySettingsManager.PRIVATE_DNS_MODE;
 import static android.net.NetworkRequest.Type.BACKGROUND_REQUEST;
 import static android.net.NetworkRequest.Type.LISTEN;
 import static android.net.NetworkRequest.Type.LISTEN_FOR_BEST;
@@ -23,8 +25,6 @@
 import static android.net.NetworkRequest.Type.TRACK_DEFAULT;
 import static android.net.NetworkRequest.Type.TRACK_SYSTEM_DEFAULT;
 import static android.net.QosCallback.QosCallbackRegistrationException;
-import static android.provider.Settings.Global.PRIVATE_DNS_DEFAULT_MODE;
-import static android.provider.Settings.Global.PRIVATE_DNS_MODE;
 
 import android.annotation.CallbackExecutor;
 import android.annotation.IntDef;
@@ -915,8 +915,8 @@
 
     /**
      * @hide
-     * TODO: Expose for SystemServer when becomes a module.
      */
+    @SystemApi(client = MODULE_LIBRARIES)
     public void systemReady() {
         try {
             mService.systemReady();
@@ -975,7 +975,7 @@
      * Specify that the traffic for this user should by follow the default rules.
      * @hide
      */
-    @SystemApi
+    @SystemApi(client = MODULE_LIBRARIES)
     public static final int PROFILE_NETWORK_PREFERENCE_DEFAULT = 0;
 
     /**
@@ -985,7 +985,7 @@
      * if no such network is available.
      * @hide
      */
-    @SystemApi
+    @SystemApi(client = MODULE_LIBRARIES)
     public static final int PROFILE_NETWORK_PREFERENCE_ENTERPRISE = 1;
 
     /** @hide */
@@ -3038,8 +3038,9 @@
      *        HTTP proxy.  A {@code null} value will clear the global HTTP proxy.
      * @hide
      */
+    @SystemApi(client = MODULE_LIBRARIES)
     @RequiresPermission(android.Manifest.permission.NETWORK_STACK)
-    public void setGlobalProxy(ProxyInfo p) {
+    public void setGlobalProxy(@Nullable ProxyInfo p) {
         try {
             mService.setGlobalProxy(p);
         } catch (RemoteException e) {
@@ -3054,6 +3055,8 @@
      *        if no global HTTP proxy is set.
      * @hide
      */
+    @SystemApi(client = MODULE_LIBRARIES)
+    @Nullable
     public ProxyInfo getGlobalProxy() {
         try {
             return mService.getGlobalProxy();
@@ -4388,8 +4391,13 @@
      *
      * @hide
      */
-    @RequiresPermission(android.Manifest.permission.NETWORK_SETTINGS)
-    public void setAcceptUnvalidated(Network network, boolean accept, boolean always) {
+    @SystemApi(client = MODULE_LIBRARIES)
+    @RequiresPermission(anyOf = {
+            android.Manifest.permission.NETWORK_SETTINGS,
+            android.Manifest.permission.NETWORK_SETUP_WIZARD,
+            android.Manifest.permission.NETWORK_STACK,
+            NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK})
+    public void setAcceptUnvalidated(@NonNull Network network, boolean accept, boolean always) {
         try {
             mService.setAcceptUnvalidated(network, accept, always);
         } catch (RemoteException e) {
@@ -4411,8 +4419,14 @@
      *
      * @hide
      */
-    @RequiresPermission(android.Manifest.permission.NETWORK_STACK)
-    public void setAcceptPartialConnectivity(Network network, boolean accept, boolean always) {
+    @SystemApi(client = MODULE_LIBRARIES)
+    @RequiresPermission(anyOf = {
+            android.Manifest.permission.NETWORK_SETTINGS,
+            android.Manifest.permission.NETWORK_SETUP_WIZARD,
+            android.Manifest.permission.NETWORK_STACK,
+            NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK})
+    public void setAcceptPartialConnectivity(@NonNull Network network, boolean accept,
+            boolean always) {
         try {
             mService.setAcceptPartialConnectivity(network, accept, always);
         } catch (RemoteException e) {
@@ -4430,8 +4444,13 @@
      *
      * @hide
      */
-    @RequiresPermission(android.Manifest.permission.NETWORK_SETTINGS)
-    public void setAvoidUnvalidated(Network network) {
+    @SystemApi(client = MODULE_LIBRARIES)
+    @RequiresPermission(anyOf = {
+            android.Manifest.permission.NETWORK_SETTINGS,
+            android.Manifest.permission.NETWORK_SETUP_WIZARD,
+            android.Manifest.permission.NETWORK_STACK,
+            NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK})
+    public void setAvoidUnvalidated(@NonNull Network network) {
         try {
             mService.setAvoidUnvalidated(network);
         } catch (RemoteException e) {
@@ -4561,7 +4580,10 @@
      * Resets all connectivity manager settings back to factory defaults.
      * @hide
      */
-    @RequiresPermission(android.Manifest.permission.NETWORK_SETTINGS)
+    @SystemApi(client = MODULE_LIBRARIES)
+    @RequiresPermission(anyOf = {
+            android.Manifest.permission.NETWORK_SETTINGS,
+            NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK})
     public void factoryReset() {
         try {
             mService.factoryReset();
@@ -4639,7 +4661,7 @@
                 Log.e(TAG, "Can't set proxy properties", e);
             }
             // Must flush DNS cache as new network may have different DNS resolutions.
-            InetAddress.clearDnsCache();
+            InetAddressCompat.clearDnsCache();
             // Must flush socket pool as idle sockets will be bound to previous network and may
             // cause subsequent fetches to be performed on old network.
             NetworkEventDispatcher.getInstance().onNetworkConfigurationChanged();
diff --git a/framework/src/android/net/ConnectivitySettingsManager.java b/framework/src/android/net/ConnectivitySettingsManager.java
index d454365..bbd8393 100644
--- a/framework/src/android/net/ConnectivitySettingsManager.java
+++ b/framework/src/android/net/ConnectivitySettingsManager.java
@@ -16,6 +16,11 @@
 
 package android.net;
 
+import android.annotation.IntDef;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
 /**
  * A manager class for connectivity module settings.
  *
@@ -25,6 +30,196 @@
 
     private ConnectivitySettingsManager() {}
 
+    /** Data activity timeout settings */
+
+    /**
+     * Inactivity timeout to track mobile data activity.
+     *
+     * If set to a positive integer, it indicates the inactivity timeout value in seconds to
+     * infer the data activity of mobile network. After a period of no activity on mobile
+     * networks with length specified by the timeout, an {@code ACTION_DATA_ACTIVITY_CHANGE}
+     * intent is fired to indicate a transition of network status from "active" to "idle". Any
+     * subsequent activity on mobile networks triggers the firing of {@code
+     * ACTION_DATA_ACTIVITY_CHANGE} intent indicating transition from "idle" to "active".
+     *
+     * Network activity refers to transmitting or receiving data on the network interfaces.
+     *
+     * Tracking is disabled if set to zero or negative value.
+     */
+    public static final String DATA_ACTIVITY_TIMEOUT_MOBILE = "data_activity_timeout_mobile";
+
+    /**
+     * Timeout to tracking Wifi data activity. Same as {@code DATA_ACTIVITY_TIMEOUT_MOBILE}
+     * but for Wifi network.
+     */
+    public static final String DATA_ACTIVITY_TIMEOUT_WIFI = "data_activity_timeout_wifi";
+
+    /** Dns resolver settings */
+
+    /**
+     * Sample validity in seconds to configure for the system DNS resolver.
+     */
+    public static final String DNS_RESOLVER_SAMPLE_VALIDITY_SECONDS =
+            "dns_resolver_sample_validity_seconds";
+
+    /**
+     * Success threshold in percent for use with the system DNS resolver.
+     */
+    public static final String DNS_RESOLVER_SUCCESS_THRESHOLD_PERCENT =
+            "dns_resolver_success_threshold_percent";
+
+    /**
+     * Minimum number of samples needed for statistics to be considered meaningful in the
+     * system DNS resolver.
+     */
+    public static final String DNS_RESOLVER_MIN_SAMPLES = "dns_resolver_min_samples";
+
+    /**
+     * Maximum number taken into account for statistics purposes in the system DNS resolver.
+     */
+    public static final String DNS_RESOLVER_MAX_SAMPLES = "dns_resolver_max_samples";
+
+    /** Network switch notification settings */
+
+    /**
+     * The maximum number of notifications shown in 24 hours when switching networks.
+     */
+    public static final String NETWORK_SWITCH_NOTIFICATION_DAILY_LIMIT =
+            "network_switch_notification_daily_limit";
+
+    /**
+     * The minimum time in milliseconds between notifications when switching networks.
+     */
+    public static final String NETWORK_SWITCH_NOTIFICATION_RATE_LIMIT_MILLIS =
+            "network_switch_notification_rate_limit_millis";
+
+    /** Captive portal settings */
+
+    /**
+     * The URL used for HTTP captive portal detection upon a new connection.
+     * A 204 response code from the server is used for validation.
+     */
+    public static final String CAPTIVE_PORTAL_HTTP_URL = "captive_portal_http_url";
+
+    /**
+     * What to do when connecting a network that presents a captive portal.
+     * Must be one of the CAPTIVE_PORTAL_MODE_* constants above.
+     *
+     * The default for this setting is CAPTIVE_PORTAL_MODE_PROMPT.
+     */
+    public static final String CAPTIVE_PORTAL_MODE = "captive_portal_mode";
+
+    /**
+     * Don't attempt to detect captive portals.
+     */
+    public static final int CAPTIVE_PORTAL_MODE_IGNORE = 0;
+
+    /**
+     * When detecting a captive portal, display a notification that
+     * prompts the user to sign in.
+     */
+    public static final int CAPTIVE_PORTAL_MODE_PROMPT = 1;
+
+    /**
+     * When detecting a captive portal, immediately disconnect from the
+     * network and do not reconnect to that network in the future.
+     */
+    public static final int CAPTIVE_PORTAL_MODE_AVOID = 2;
+
+    /** @hide */
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef(value = {
+            CAPTIVE_PORTAL_MODE_IGNORE,
+            CAPTIVE_PORTAL_MODE_PROMPT,
+            CAPTIVE_PORTAL_MODE_AVOID,
+    })
+    public @interface CaptivePortalMode {}
+
+    /** Global http proxy settings */
+
+    /**
+     * Host name for global http proxy. Set via ConnectivityManager.
+     */
+    public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
+
+    /**
+     * Integer host port for global http proxy. Set via ConnectivityManager.
+     */
+    public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
+
+    /**
+     * Exclusion list for global proxy. This string contains a list of
+     * comma-separated domains where the global proxy does not apply.
+     * Domains should be listed in a comma- separated list. Example of
+     * acceptable formats: ".domain1.com,my.domain2.com" Use
+     * ConnectivityManager to set/get.
+     */
+    public static final String GLOBAL_HTTP_PROXY_EXCLUSION_LIST =
+            "global_http_proxy_exclusion_list";
+
+    /**
+     * The location PAC File for the proxy.
+     */
+    public static final String GLOBAL_HTTP_PROXY_PAC = "global_proxy_pac_url";
+
+    /** Private dns settings */
+
+    /**
+     * The requested Private DNS mode (string), and an accompanying specifier (string).
+     *
+     * Currently, the specifier holds the chosen provider name when the mode requests
+     * a specific provider. It may be used to store the provider name even when the
+     * mode changes so that temporarily disabling and re-enabling the specific
+     * provider mode does not necessitate retyping the provider hostname.
+     */
+    public static final String PRIVATE_DNS_MODE = "private_dns_mode";
+
+    /**
+     * The specific Private DNS provider name.
+     */
+    public static final String PRIVATE_DNS_SPECIFIER = "private_dns_specifier";
+
+    /**
+     * Forced override of the default mode (hardcoded as "automatic", nee "opportunistic").
+     * This allows changing the default mode without effectively disabling other modes,
+     * all of which require explicit user action to enable/configure. See also b/79719289.
+     *
+     * Value is a string, suitable for assignment to PRIVATE_DNS_MODE above.
+     */
+    public static final String PRIVATE_DNS_DEFAULT_MODE = "private_dns_default_mode";
+
+    /** Other settings */
+
+    /**
+     * The number of milliseconds to hold on to a PendingIntent based request. This delay gives
+     * the receivers of the PendingIntent an opportunity to make a new network request before
+     * the Network satisfying the request is potentially removed.
+     */
+    public static final String CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS =
+            "connectivity_release_pending_intent_delay_ms";
+
+    /**
+     * Whether the mobile data connection should remain active even when higher
+     * priority networks like WiFi are active, to help make network switching faster.
+     *
+     * See ConnectivityService for more info.
+     *
+     * (0 = disabled, 1 = enabled)
+     */
+    public static final String MOBILE_DATA_ALWAYS_ON = "mobile_data_always_on";
+
+    /**
+     * Whether the wifi data connection should remain active even when higher
+     * priority networks like Ethernet are active, to keep both networks.
+     * In the case where higher priority networks are connected, wifi will be
+     * unused unless an application explicitly requests to use it.
+     *
+     * See ConnectivityService for more info.
+     *
+     * (0 = disabled, 1 = enabled)
+     */
+    public static final String WIFI_ALWAYS_REQUESTED = "wifi_always_requested";
+
     /**
      * Whether to automatically switch away from wifi networks that lose Internet access.
      * Only meaningful if config_networkAvoidBadWifi is set to 0, otherwise the system always
diff --git a/framework/src/android/net/IOnCompleteListener.aidl b/framework/src/android/net/IOnCompleteListener.aidl
new file mode 100644
index 0000000..4bb89f6
--- /dev/null
+++ b/framework/src/android/net/IOnCompleteListener.aidl
@@ -0,0 +1,23 @@
+/**
+ *
+ * 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 android.net;
+
+/** @hide */
+oneway interface IOnCompleteListener {
+    void onComplete();
+}
diff --git a/framework/src/android/net/InetAddressCompat.java b/framework/src/android/net/InetAddressCompat.java
new file mode 100644
index 0000000..8404441
--- /dev/null
+++ b/framework/src/android/net/InetAddressCompat.java
@@ -0,0 +1,76 @@
+/*
+ * 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 android.net;
+
+import android.util.Log;
+
+import java.lang.reflect.InvocationTargetException;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+
+/**
+ * Compatibility utility for InetAddress core platform APIs.
+ *
+ * Connectivity has access to such APIs, but they are not part of the module_current stubs yet
+ * (only core_current). Most stable core platform APIs are included manually in the connectivity
+ * build rules, but because InetAddress is also part of the base java SDK that is earlier on the
+ * classpath, the extra core platform APIs are not seen.
+ *
+ * TODO (b/183097033): remove this utility as soon as core_current is part of module_current
+ * @hide
+ */
+public class InetAddressCompat {
+
+    /**
+     * @see InetAddress#clearDnsCache()
+     */
+    public static void clearDnsCache() {
+        try {
+            InetAddress.class.getMethod("clearDnsCache").invoke(null);
+        } catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
+            Log.wtf(InetAddressCompat.class.getSimpleName(), "Error clearing DNS cache", e);
+        }
+    }
+
+    /**
+     * @see InetAddress#getAllByNameOnNet(String, int)
+     */
+    public static InetAddress[] getAllByNameOnNet(String host, int netId) throws
+            UnknownHostException {
+        try {
+            return (InetAddress[]) InetAddress.class.getMethod("getAllByNameOnNet",
+                    String.class, int.class).invoke(null, host, netId);
+        } catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
+            Log.wtf(InetAddressCompat.class.getSimpleName(), "Error calling getAllByNameOnNet", e);
+            throw new IllegalStateException("Error querying via getAllNameOnNet", e);
+        }
+    }
+
+    /**
+     * @see InetAddress#getByNameOnNet(String, int)
+     */
+    public static InetAddress getByNameOnNet(String host, int netId) throws
+            UnknownHostException {
+        try {
+            return (InetAddress) InetAddress.class.getMethod("getByNameOnNet",
+                    String.class, int.class).invoke(null, host, netId);
+        } catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
+            Log.wtf(InetAddressCompat.class.getSimpleName(), "Error calling getAllByNameOnNet", e);
+            throw new IllegalStateException("Error querying via getByNameOnNet", e);
+        }
+    }
+}
diff --git a/framework/src/android/net/Network.java b/framework/src/android/net/Network.java
index 7245db3..0741414 100644
--- a/framework/src/android/net/Network.java
+++ b/framework/src/android/net/Network.java
@@ -142,7 +142,7 @@
      * @throws UnknownHostException if the address lookup fails.
      */
     public InetAddress[] getAllByName(String host) throws UnknownHostException {
-        return InetAddress.getAllByNameOnNet(host, getNetIdForResolv());
+        return InetAddressCompat.getAllByNameOnNet(host, getNetIdForResolv());
     }
 
     /**
@@ -155,7 +155,7 @@
      *             if the address lookup fails.
      */
     public InetAddress getByName(String host) throws UnknownHostException {
-        return InetAddress.getByNameOnNet(host, getNetIdForResolv());
+        return InetAddressCompat.getByNameOnNet(host, getNetIdForResolv());
     }
 
     /**
diff --git a/core/java/android/net/NetworkScore.java b/framework/src/android/net/NetworkScore.java
similarity index 85%
rename from core/java/android/net/NetworkScore.java
rename to framework/src/android/net/NetworkScore.java
index f478010..e640737 100644
--- a/core/java/android/net/NetworkScore.java
+++ b/framework/src/android/net/NetworkScore.java
@@ -33,13 +33,21 @@
     // a migration.
     private final int mLegacyInt;
 
+    // Agent-managed policies
+    // TODO : add them here, starting from 1
+
+    // Bitmask of all the policies applied to this score.
+    private final long mPolicies;
+
     /** @hide */
-    NetworkScore(final int legacyInt) {
-        this.mLegacyInt = legacyInt;
+    NetworkScore(final int legacyInt, final long policies) {
+        mLegacyInt = legacyInt;
+        mPolicies = policies;
     }
 
     private NetworkScore(@NonNull final Parcel in) {
         mLegacyInt = in.readInt();
+        mPolicies = in.readLong();
     }
 
     public int getLegacyInt() {
@@ -54,6 +62,7 @@
     @Override
     public void writeToParcel(@NonNull final Parcel dest, final int flags) {
         dest.writeInt(mLegacyInt);
+        dest.writeLong(mPolicies);
     }
 
     @Override
@@ -79,6 +88,7 @@
      * A builder for NetworkScore.
      */
     public static final class Builder {
+        private static final long POLICY_NONE = 0L;
         private static final int INVALID_LEGACY_INT = Integer.MIN_VALUE;
         private int mLegacyInt = INVALID_LEGACY_INT;
 
@@ -102,7 +112,7 @@
          */
         @NonNull
         public NetworkScore build() {
-            return new NetworkScore(mLegacyInt);
+            return new NetworkScore(mLegacyInt, POLICY_NONE);
         }
     }
 }
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 4f0f980..82ed4e6 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -285,7 +285,7 @@
     /**
      * Default URL to use for {@link #getCaptivePortalServerUrl()}. This should not be changed
      * by OEMs for configuration purposes, as this value is overridden by
-     * Settings.Global.CAPTIVE_PORTAL_HTTP_URL.
+     * ConnectivitySettingsManager.CAPTIVE_PORTAL_HTTP_URL.
      * R.string.config_networkCaptivePortalServerUrl should be overridden instead for this purpose
      * (preferably via runtime resource overlays).
      */
@@ -318,7 +318,7 @@
     protected int mNascentDelayMs;
 
     // How long to delay to removal of a pending intent based request.
-    // See Settings.Secure.CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS
+    // See ConnectivitySettingsManager.CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS
     private final int mReleasePendingIntentDelayMs;
 
     private MockableSystemProperties mSystemProperties;
@@ -1234,7 +1234,7 @@
                 new ConnectivityDiagnosticsHandler(mHandlerThread.getLooper());
 
         mReleasePendingIntentDelayMs = Settings.Secure.getInt(context.getContentResolver(),
-                Settings.Secure.CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS, 5_000);
+                ConnectivitySettingsManager.CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS, 5_000);
 
         mLingerDelayMs = mSystemProperties.getInt(LINGER_DELAY_PROPERTY, DEFAULT_LINGER_DELAY_MS);
         // TODO: Consider making the timer customizable.
@@ -1306,10 +1306,10 @@
         mQosCallbackTracker = new QosCallbackTracker(mHandler, mNetworkRequestCounter);
 
         final int dailyLimit = Settings.Global.getInt(mContext.getContentResolver(),
-                Settings.Global.NETWORK_SWITCH_NOTIFICATION_DAILY_LIMIT,
+                ConnectivitySettingsManager.NETWORK_SWITCH_NOTIFICATION_DAILY_LIMIT,
                 LingerMonitor.DEFAULT_NOTIFICATION_DAILY_LIMIT);
         final long rateLimit = Settings.Global.getLong(mContext.getContentResolver(),
-                Settings.Global.NETWORK_SWITCH_NOTIFICATION_RATE_LIMIT_MILLIS,
+                ConnectivitySettingsManager.NETWORK_SWITCH_NOTIFICATION_RATE_LIMIT_MILLIS,
                 LingerMonitor.DEFAULT_NOTIFICATION_RATE_LIMIT_MILLIS);
         mLingerMonitor = new LingerMonitor(mContext, mNotifier, dailyLimit, rateLimit);
 
@@ -1427,10 +1427,10 @@
     }
 
     private void handleConfigureAlwaysOnNetworks() {
-        handleAlwaysOnNetworkRequest(
-                mDefaultMobileDataRequest, Settings.Global.MOBILE_DATA_ALWAYS_ON, true);
-        handleAlwaysOnNetworkRequest(mDefaultWifiRequest, Settings.Global.WIFI_ALWAYS_REQUESTED,
-                false);
+        handleAlwaysOnNetworkRequest(mDefaultMobileDataRequest,
+                ConnectivitySettingsManager.MOBILE_DATA_ALWAYS_ON, true /* defaultValue */);
+        handleAlwaysOnNetworkRequest(mDefaultWifiRequest,
+                ConnectivitySettingsManager.WIFI_ALWAYS_REQUESTED, false /* defaultValue */);
         handleAlwaysOnNetworkRequest(mDefaultVehicleRequest,
                 com.android.internal.R.bool.config_vehicleInternalNetworkAlwaysRequested);
     }
@@ -1443,12 +1443,12 @@
 
         // Watch for whether or not to keep mobile data always on.
         mSettingsObserver.observe(
-                Settings.Global.getUriFor(Settings.Global.MOBILE_DATA_ALWAYS_ON),
+                Settings.Global.getUriFor(ConnectivitySettingsManager.MOBILE_DATA_ALWAYS_ON),
                 EVENT_CONFIGURE_ALWAYS_ON_NETWORKS);
 
         // Watch for whether or not to keep wifi always on.
         mSettingsObserver.observe(
-                Settings.Global.getUriFor(Settings.Global.WIFI_ALWAYS_REQUESTED),
+                Settings.Global.getUriFor(ConnectivitySettingsManager.WIFI_ALWAYS_REQUESTED),
                 EVENT_CONFIGURE_ALWAYS_ON_NETWORKS);
     }
 
@@ -1785,7 +1785,7 @@
         }
 
         // No need to check mLockdownEnabled. If it's true, getVpnUnderlyingNetworks returns null.
-        final Network[] networks = getVpnUnderlyingNetworks(Binder.getCallingUid());
+        final Network[] networks = getVpnUnderlyingNetworks(mDeps.getCallingUid());
         if (null != networks) {
             for (final Network network : networks) {
                 final NetworkCapabilities nc = getNetworkCapabilitiesInternal(network);
@@ -3110,7 +3110,8 @@
                         nai.lastCaptivePortalDetected = visible;
                         nai.everCaptivePortalDetected |= visible;
                         if (nai.lastCaptivePortalDetected &&
-                            Settings.Global.CAPTIVE_PORTAL_MODE_AVOID == getCaptivePortalMode()) {
+                                ConnectivitySettingsManager.CAPTIVE_PORTAL_MODE_AVOID
+                                        == getCaptivePortalMode()) {
                             if (DBG) log("Avoiding captive portal network: " + nai.toShortString());
                             nai.onPreventAutomaticReconnect();
                             teardownUnneededNetwork(nai);
@@ -3221,8 +3222,8 @@
 
         private int getCaptivePortalMode() {
             return Settings.Global.getInt(mContext.getContentResolver(),
-                    Settings.Global.CAPTIVE_PORTAL_MODE,
-                    Settings.Global.CAPTIVE_PORTAL_MODE_PROMPT);
+                    ConnectivitySettingsManager.CAPTIVE_PORTAL_MODE,
+                    ConnectivitySettingsManager.CAPTIVE_PORTAL_MODE_PROMPT);
         }
 
         private boolean maybeHandleNetworkAgentInfoMessage(Message msg) {
@@ -3690,7 +3691,7 @@
                 log("Replacing " + existingRequest.mRequests.get(0) + " with "
                         + nri.mRequests.get(0) + " because their intents matched.");
             }
-            handleReleaseNetworkRequest(existingRequest.mRequests.get(0), getCallingUid(),
+            handleReleaseNetworkRequest(existingRequest.mRequests.get(0), mDeps.getCallingUid(),
                     /* callOnUnavailable */ false);
         }
         handleRegisterNetworkRequest(nri);
@@ -5776,14 +5777,14 @@
     private void releasePendingNetworkRequestWithDelay(PendingIntent operation) {
         mHandler.sendMessageDelayed(
                 mHandler.obtainMessage(EVENT_RELEASE_NETWORK_REQUEST_WITH_INTENT,
-                getCallingUid(), 0, operation), mReleasePendingIntentDelayMs);
+                mDeps.getCallingUid(), 0, operation), mReleasePendingIntentDelayMs);
     }
 
     @Override
     public void releasePendingNetworkRequest(PendingIntent operation) {
         Objects.requireNonNull(operation, "PendingIntent cannot be null.");
         mHandler.sendMessage(mHandler.obtainMessage(EVENT_RELEASE_NETWORK_REQUEST_WITH_INTENT,
-                getCallingUid(), 0, operation));
+                mDeps.getCallingUid(), 0, operation));
     }
 
     // In order to implement the compatibility measure for pre-M apps that call
@@ -5880,7 +5881,7 @@
     public void releaseNetworkRequest(NetworkRequest networkRequest) {
         ensureNetworkRequestHasType(networkRequest);
         mHandler.sendMessage(mHandler.obtainMessage(
-                EVENT_RELEASE_NETWORK_REQUEST, getCallingUid(), 0, networkRequest));
+                EVENT_RELEASE_NETWORK_REQUEST, mDeps.getCallingUid(), 0, networkRequest));
     }
 
     private void handleRegisterNetworkProvider(NetworkProviderInfo npi) {
@@ -8159,7 +8160,7 @@
         }
 
         settingUrl = Settings.Global.getString(mContext.getContentResolver(),
-                Settings.Global.CAPTIVE_PORTAL_HTTP_URL);
+                ConnectivitySettingsManager.CAPTIVE_PORTAL_HTTP_URL);
         if (!TextUtils.isEmpty(settingUrl)) {
             return settingUrl;
         }
@@ -8241,7 +8242,7 @@
         // restore private DNS settings to default mode (opportunistic)
         if (!mUserManager.hasUserRestriction(UserManager.DISALLOW_CONFIG_PRIVATE_DNS)) {
             Settings.Global.putString(mContext.getContentResolver(),
-                    Settings.Global.PRIVATE_DNS_MODE, PRIVATE_DNS_MODE_OPPORTUNISTIC);
+                    ConnectivitySettingsManager.PRIVATE_DNS_MODE, PRIVATE_DNS_MODE_OPPORTUNISTIC);
         }
 
         Settings.Global.putString(mContext.getContentResolver(),
@@ -8358,7 +8359,7 @@
 
         final NetworkAgentInfo vpn = getVpnForUid(uid);
         if (vpn == null || getVpnType(vpn) != VpnManager.TYPE_VPN_SERVICE
-                || vpn.networkCapabilities.getOwnerUid() != Binder.getCallingUid()) {
+                || vpn.networkCapabilities.getOwnerUid() != mDeps.getCallingUid()) {
             return INVALID_UID;
         }
 
@@ -8997,13 +8998,13 @@
             if (networkAgent.networkCapabilities.hasTransport(
                     NetworkCapabilities.TRANSPORT_CELLULAR)) {
                 timeout = Settings.Global.getInt(mContext.getContentResolver(),
-                        Settings.Global.DATA_ACTIVITY_TIMEOUT_MOBILE,
+                        ConnectivitySettingsManager.DATA_ACTIVITY_TIMEOUT_MOBILE,
                         10);
                 type = NetworkCapabilities.TRANSPORT_CELLULAR;
             } else if (networkAgent.networkCapabilities.hasTransport(
                     NetworkCapabilities.TRANSPORT_WIFI)) {
                 timeout = Settings.Global.getInt(mContext.getContentResolver(),
-                        Settings.Global.DATA_ACTIVITY_TIMEOUT_WIFI,
+                        ConnectivitySettingsManager.DATA_ACTIVITY_TIMEOUT_WIFI,
                         15);
                 type = NetworkCapabilities.TRANSPORT_WIFI;
             } else {
diff --git a/services/core/java/com/android/server/connectivity/DnsManager.java b/services/core/java/com/android/server/connectivity/DnsManager.java
index 702434b..ffeb77d 100644
--- a/services/core/java/com/android/server/connectivity/DnsManager.java
+++ b/services/core/java/com/android/server/connectivity/DnsManager.java
@@ -18,15 +18,15 @@
 
 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_OFF;
 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_PROVIDER_HOSTNAME;
+import static android.net.ConnectivitySettingsManager.DNS_RESOLVER_MAX_SAMPLES;
+import static android.net.ConnectivitySettingsManager.DNS_RESOLVER_MIN_SAMPLES;
+import static android.net.ConnectivitySettingsManager.DNS_RESOLVER_SAMPLE_VALIDITY_SECONDS;
+import static android.net.ConnectivitySettingsManager.DNS_RESOLVER_SUCCESS_THRESHOLD_PERCENT;
+import static android.net.ConnectivitySettingsManager.PRIVATE_DNS_DEFAULT_MODE;
+import static android.net.ConnectivitySettingsManager.PRIVATE_DNS_MODE;
+import static android.net.ConnectivitySettingsManager.PRIVATE_DNS_SPECIFIER;
 import static android.net.resolv.aidl.IDnsResolverUnsolicitedEventListener.VALIDATION_RESULT_FAILURE;
 import static android.net.resolv.aidl.IDnsResolverUnsolicitedEventListener.VALIDATION_RESULT_SUCCESS;
-import static android.provider.Settings.Global.DNS_RESOLVER_MAX_SAMPLES;
-import static android.provider.Settings.Global.DNS_RESOLVER_MIN_SAMPLES;
-import static android.provider.Settings.Global.DNS_RESOLVER_SAMPLE_VALIDITY_SECONDS;
-import static android.provider.Settings.Global.DNS_RESOLVER_SUCCESS_THRESHOLD_PERCENT;
-import static android.provider.Settings.Global.PRIVATE_DNS_DEFAULT_MODE;
-import static android.provider.Settings.Global.PRIVATE_DNS_MODE;
-import static android.provider.Settings.Global.PRIVATE_DNS_SPECIFIER;
 
 import android.annotation.NonNull;
 import android.content.ContentResolver;
diff --git a/services/core/java/com/android/server/connectivity/FullScore.java b/services/core/java/com/android/server/connectivity/FullScore.java
new file mode 100644
index 0000000..ac5988a
--- /dev/null
+++ b/services/core/java/com/android/server/connectivity/FullScore.java
@@ -0,0 +1,68 @@
+/*
+ * 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 android.annotation.NonNull;
+import android.net.NetworkScore;
+
+/**
+ * This class represents how desirable a network is.
+ *
+ * FullScore is very similar to NetworkScore, but it contains the bits that are managed
+ * by ConnectivityService. This provides static guarantee that all users must know whether
+ * they are handling a score that had the CS-managed bits set.
+ */
+public class FullScore {
+    // This will be removed soon. Do *NOT* depend on it for any new code that is not part of
+    // a migration.
+    private final int mLegacyInt;
+
+    // Agent-managed policies are in NetworkScore. They start from 1.
+    // CS-managed policies
+    // This network is validated. CS-managed because the source of truth is in NetworkCapabilities.
+    public static final int POLICY_IS_VALIDATED = 63;
+
+    // Bitmask of all the policies applied to this score.
+    private final long mPolicies;
+
+    FullScore(final int legacyInt, final long policies) {
+        mLegacyInt = legacyInt;
+        mPolicies = policies;
+    }
+
+    /**
+     * Make a FullScore from a NetworkScore
+     */
+    public static FullScore withPolicy(@NonNull final NetworkScore originalScore,
+            final boolean isValidated) {
+        return new FullScore(originalScore.getLegacyInt(),
+                isValidated ? 1L << POLICY_IS_VALIDATED : 0L);
+    }
+
+    /**
+     * For backward compatibility, get the legacy int.
+     * This will be removed before S is published.
+     */
+    public int getLegacyInt() {
+        return mLegacyInt;
+    }
+
+    @Override
+    public String toString() {
+        return "Score(" + mLegacyInt + ")";
+    }
+}
diff --git a/services/core/java/com/android/server/connectivity/NetworkAgentInfo.java b/services/core/java/com/android/server/connectivity/NetworkAgentInfo.java
index e44dcf5..372601f 100644
--- a/services/core/java/com/android/server/connectivity/NetworkAgentInfo.java
+++ b/services/core/java/com/android/server/connectivity/NetworkAgentInfo.java
@@ -17,6 +17,7 @@
 package com.android.server.connectivity;
 
 import static android.net.ConnectivityDiagnosticsManager.ConnectivityReport;
+import static android.net.NetworkCapabilities.NET_CAPABILITY_VALIDATED;
 import static android.net.NetworkCapabilities.transportNamesOf;
 
 import android.annotation.NonNull;
@@ -303,8 +304,9 @@
     // validated).
     private boolean mInactive;
 
-    // This represents the quality of the network.
-    private NetworkScore mScore;
+    // This represents the quality of the network. As opposed to NetworkScore, FullScore includes
+    // the ConnectivityService-managed bits.
+    private FullScore mScore;
 
     // The list of NetworkRequests being satisfied by this Network.
     private final SparseArray<NetworkRequest> mNetworkRequests = new SparseArray<>();
@@ -356,7 +358,7 @@
         networkInfo = info;
         linkProperties = lp;
         networkCapabilities = nc;
-        mScore = score;
+        mScore = mixInScore(score, nc);
         clatd = new Nat464Xlat(this, netd, dnsResolver, deps);
         mConnService = connService;
         mContext = context;
@@ -890,7 +892,12 @@
     }
 
     public void setScore(final NetworkScore score) {
-        mScore = score;
+        mScore = mixInScore(score, networkCapabilities);
+    }
+
+    private static FullScore mixInScore(@NonNull final NetworkScore score,
+            @NonNull final NetworkCapabilities caps) {
+        return FullScore.withPolicy(score, caps.hasCapability(NET_CAPABILITY_VALIDATED));
     }
 
     /**
diff --git a/services/core/java/com/android/server/connectivity/NetworkNotificationManager.java b/services/core/java/com/android/server/connectivity/NetworkNotificationManager.java
index 508739f..181a10d 100644
--- a/services/core/java/com/android/server/connectivity/NetworkNotificationManager.java
+++ b/services/core/java/com/android/server/connectivity/NetworkNotificationManager.java
@@ -156,7 +156,7 @@
         final String tag = tagFor(id);
         final int eventId = notifyType.eventId;
         final int transportType;
-        final String name;
+        final CharSequence name;
         if (nai != null) {
             transportType = approximateTransportType(nai);
             final String extraInfo = nai.networkInfo.getExtraInfo();
diff --git a/services/core/java/com/android/server/connectivity/ProxyTracker.java b/services/core/java/com/android/server/connectivity/ProxyTracker.java
index 8b9c836..f572b46 100644
--- a/services/core/java/com/android/server/connectivity/ProxyTracker.java
+++ b/services/core/java/com/android/server/connectivity/ProxyTracker.java
@@ -16,10 +16,10 @@
 
 package com.android.server.connectivity;
 
-import static android.provider.Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST;
-import static android.provider.Settings.Global.GLOBAL_HTTP_PROXY_HOST;
-import static android.provider.Settings.Global.GLOBAL_HTTP_PROXY_PAC;
-import static android.provider.Settings.Global.GLOBAL_HTTP_PROXY_PORT;
+import static android.net.ConnectivitySettingsManager.GLOBAL_HTTP_PROXY_EXCLUSION_LIST;
+import static android.net.ConnectivitySettingsManager.GLOBAL_HTTP_PROXY_HOST;
+import static android.net.ConnectivitySettingsManager.GLOBAL_HTTP_PROXY_PAC;
+import static android.net.ConnectivitySettingsManager.GLOBAL_HTTP_PROXY_PORT;
 import static android.provider.Settings.Global.HTTP_PROXY;
 
 import android.annotation.NonNull;
@@ -34,7 +34,6 @@
 import android.net.Uri;
 import android.os.Binder;
 import android.os.Handler;
-import android.os.HandlerExecutor;
 import android.os.UserHandle;
 import android.provider.Settings;
 import android.text.TextUtils;
@@ -105,7 +104,7 @@
 
         PacProxyInstalledListener listener = new PacProxyInstalledListener(pacChangedEvent);
         mPacProxyManager.addPacProxyInstalledListener(
-                new HandlerExecutor(mConnectivityServiceHandler), listener);
+                mConnectivityServiceHandler::post, listener);
     }
 
     // Convert empty ProxyInfo's to null as null-checks are used to determine if proxies are present
diff --git a/tests/net/java/android/net/VpnTransportInfoTest.java b/tests/net/java/android/net/VpnTransportInfoTest.java
index d04c87b..b7a42ec 100644
--- a/tests/net/java/android/net/VpnTransportInfoTest.java
+++ b/tests/net/java/android/net/VpnTransportInfoTest.java
@@ -42,7 +42,13 @@
         VpnTransportInfo v1 = new VpnTransportInfo(VpnManager.TYPE_VPN_PLATFORM);
         VpnTransportInfo v2 = new VpnTransportInfo(VpnManager.TYPE_VPN_SERVICE);
         VpnTransportInfo v3 = new VpnTransportInfo(VpnManager.TYPE_VPN_PLATFORM);
+        VpnTransportInfo v4 = new VpnTransportInfo(VpnManager.TYPE_VPN_LEGACY);
+        VpnTransportInfo v5 = new VpnTransportInfo(VpnManager.TYPE_VPN_OEM);
+
         assertNotEquals(v1, v2);
+        assertNotEquals(v3, v4);
+        assertNotEquals(v4, v5);
+
         assertEquals(v1, v3);
         assertEquals(v1.hashCode(), v3.hashCode());
     }
diff --git a/tests/net/java/android/net/util/MultinetworkPolicyTrackerTest.kt b/tests/net/java/android/net/util/MultinetworkPolicyTrackerTest.kt
index c1315f6..1945ce7 100644
--- a/tests/net/java/android/net/util/MultinetworkPolicyTrackerTest.kt
+++ b/tests/net/java/android/net/util/MultinetworkPolicyTrackerTest.kt
@@ -21,10 +21,10 @@
 import android.net.ConnectivityManager.MULTIPATH_PREFERENCE_HANDOVER
 import android.net.ConnectivityManager.MULTIPATH_PREFERENCE_PERFORMANCE
 import android.net.ConnectivityManager.MULTIPATH_PREFERENCE_RELIABILITY
+import android.net.ConnectivitySettingsManager.NETWORK_AVOID_BAD_WIFI
+import android.net.ConnectivitySettingsManager.NETWORK_METERED_MULTIPATH_PREFERENCE
 import android.net.util.MultinetworkPolicyTracker.ActiveDataSubscriptionIdListener
 import android.provider.Settings
-import android.provider.Settings.Global.NETWORK_AVOID_BAD_WIFI
-import android.provider.Settings.Global.NETWORK_METERED_MULTIPATH_PREFERENCE
 import android.telephony.SubscriptionInfo
 import android.telephony.SubscriptionManager
 import android.telephony.TelephonyManager
diff --git a/tests/net/java/com/android/server/ConnectivityServiceTest.java b/tests/net/java/com/android/server/ConnectivityServiceTest.java
index 8b20a51..7ac488d 100644
--- a/tests/net/java/com/android/server/ConnectivityServiceTest.java
+++ b/tests/net/java/com/android/server/ConnectivityServiceTest.java
@@ -179,6 +179,7 @@
 import android.net.ConnectivityManager.PacketKeepalive;
 import android.net.ConnectivityManager.PacketKeepaliveCallback;
 import android.net.ConnectivityManager.TooManyRequestsException;
+import android.net.ConnectivitySettingsManager;
 import android.net.ConnectivityThread;
 import android.net.DataStallReportParcelable;
 import android.net.EthernetManager;
@@ -1553,7 +1554,7 @@
         mQosCallbackTracker = mock(QosCallbackTracker.class);
 
         // Ensure that the default setting for Captive Portals is used for most tests
-        setCaptivePortalMode(Settings.Global.CAPTIVE_PORTAL_MODE_PROMPT);
+        setCaptivePortalMode(ConnectivitySettingsManager.CAPTIVE_PORTAL_MODE_PROMPT);
         setAlwaysOnNetworks(false);
         setPrivateDnsSettings(PRIVATE_DNS_MODE_OFF, "ignored.example.com");
     }
@@ -3406,7 +3407,7 @@
                 .addCapability(NET_CAPABILITY_VALIDATED).build();
         mCm.registerNetworkCallback(validatedRequest, validatedCallback);
 
-        setCaptivePortalMode(Settings.Global.CAPTIVE_PORTAL_MODE_AVOID);
+        setCaptivePortalMode(ConnectivitySettingsManager.CAPTIVE_PORTAL_MODE_AVOID);
         // Bring up a network with a captive portal.
         // Expect it to fail to connect and not result in any callbacks.
         mWiFiNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI);
@@ -4056,20 +4057,21 @@
 
     private void setCaptivePortalMode(int mode) {
         ContentResolver cr = mServiceContext.getContentResolver();
-        Settings.Global.putInt(cr, Settings.Global.CAPTIVE_PORTAL_MODE, mode);
+        Settings.Global.putInt(cr, ConnectivitySettingsManager.CAPTIVE_PORTAL_MODE, mode);
     }
 
     private void setAlwaysOnNetworks(boolean enable) {
         ContentResolver cr = mServiceContext.getContentResolver();
-        Settings.Global.putInt(cr, Settings.Global.MOBILE_DATA_ALWAYS_ON, enable ? 1 : 0);
+        Settings.Global.putInt(cr, ConnectivitySettingsManager.MOBILE_DATA_ALWAYS_ON,
+                enable ? 1 : 0);
         mService.updateAlwaysOnNetworks();
         waitForIdle();
     }
 
     private void setPrivateDnsSettings(String mode, String specifier) {
         final ContentResolver cr = mServiceContext.getContentResolver();
-        Settings.Global.putString(cr, Settings.Global.PRIVATE_DNS_MODE, mode);
-        Settings.Global.putString(cr, Settings.Global.PRIVATE_DNS_SPECIFIER, specifier);
+        Settings.Global.putString(cr, ConnectivitySettingsManager.PRIVATE_DNS_MODE, mode);
+        Settings.Global.putString(cr, ConnectivitySettingsManager.PRIVATE_DNS_SPECIFIER, specifier);
         mService.updatePrivateDnsSettings();
         waitForIdle();
     }
@@ -4307,7 +4309,7 @@
     @Test
     public void testAvoidBadWifiSetting() throws Exception {
         final ContentResolver cr = mServiceContext.getContentResolver();
-        final String settingName = Settings.Global.NETWORK_AVOID_BAD_WIFI;
+        final String settingName = ConnectivitySettingsManager.NETWORK_AVOID_BAD_WIFI;
 
         mPolicyTracker.mConfigRestrictsAvoidBadWifi = false;
         String[] values = new String[] {null, "0", "1"};
@@ -4364,7 +4366,7 @@
         TestNetworkCallback validatedWifiCallback = new TestNetworkCallback();
         mCm.registerNetworkCallback(validatedWifiRequest, validatedWifiCallback);
 
-        Settings.Global.putInt(cr, Settings.Global.NETWORK_AVOID_BAD_WIFI, 0);
+        Settings.Global.putInt(cr, ConnectivitySettingsManager.NETWORK_AVOID_BAD_WIFI, 0);
         mPolicyTracker.reevaluate();
 
         // Bring up validated cell.
@@ -4432,7 +4434,7 @@
         validatedWifiCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
 
         // Simulate the user selecting "switch" and checking the don't ask again checkbox.
-        Settings.Global.putInt(cr, Settings.Global.NETWORK_AVOID_BAD_WIFI, 1);
+        Settings.Global.putInt(cr, ConnectivitySettingsManager.NETWORK_AVOID_BAD_WIFI, 1);
         mPolicyTracker.reevaluate();
 
         // We now switch to cell.
@@ -4445,11 +4447,11 @@
 
         // Simulate the user turning the cellular fallback setting off and then on.
         // We switch to wifi and then to cell.
-        Settings.Global.putString(cr, Settings.Global.NETWORK_AVOID_BAD_WIFI, null);
+        Settings.Global.putString(cr, ConnectivitySettingsManager.NETWORK_AVOID_BAD_WIFI, null);
         mPolicyTracker.reevaluate();
         defaultCallback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
         assertEquals(mCm.getActiveNetwork(), wifiNetwork);
-        Settings.Global.putInt(cr, Settings.Global.NETWORK_AVOID_BAD_WIFI, 1);
+        Settings.Global.putInt(cr, ConnectivitySettingsManager.NETWORK_AVOID_BAD_WIFI, 1);
         mPolicyTracker.reevaluate();
         defaultCallback.expectAvailableCallbacksValidated(mCellNetworkAgent);
         assertEquals(mCm.getActiveNetwork(), cellNetwork);
@@ -4468,7 +4470,7 @@
     @Test
     public void testMeteredMultipathPreferenceSetting() throws Exception {
         final ContentResolver cr = mServiceContext.getContentResolver();
-        final String settingName = Settings.Global.NETWORK_METERED_MULTIPATH_PREFERENCE;
+        final String settingName = ConnectivitySettingsManager.NETWORK_METERED_MULTIPATH_PREFERENCE;
 
         for (int config : Arrays.asList(0, 3, 2)) {
             for (String setting: Arrays.asList(null, "0", "2", "1")) {
@@ -11400,7 +11402,6 @@
         mSystemDefaultNetworkCallback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent);
         mDefaultNetworkCallback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent);
         mProfileDefaultNetworkCallback.assertNoCallback();
-        waitForIdle();
         inOrder.verify(mMockNetd).networkDestroy(mCellNetworkAgent.getNetwork().netId);
 
         mCellNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_CELLULAR);
@@ -11419,7 +11420,6 @@
         assertNoCallbacks(mSystemDefaultNetworkCallback, mDefaultNetworkCallback);
         inOrder.verify(mMockNetd).networkAddUidRanges(mCellNetworkAgent.getNetwork().netId,
                 uidRangeFor(testHandle));
-        waitForIdle();
         inOrder.verify(mMockNetd).networkDestroy(workAgent.getNetwork().netId);
 
         mCellNetworkAgent.disconnect();
@@ -11427,6 +11427,8 @@
         mDefaultNetworkCallback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent);
         mProfileDefaultNetworkCallback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent);
 
+        // Waiting for the handler to be idle before checking for networkDestroy is necessary
+        // here because ConnectivityService calls onLost before the network is fully torn down.
         waitForIdle();
         inOrder.verify(mMockNetd).networkDestroy(mCellNetworkAgent.getNetwork().netId);
 
@@ -11456,7 +11458,6 @@
         workAgent2.disconnect();
         mProfileDefaultNetworkCallback.expectCallback(CallbackEntry.LOST, workAgent2);
         assertNoCallbacks(mSystemDefaultNetworkCallback, mDefaultNetworkCallback);
-        waitForIdle();
         inOrder.verify(mMockNetd).networkDestroy(workAgent2.getNetwork().netId);
 
         assertNoCallbacks(mSystemDefaultNetworkCallback, mDefaultNetworkCallback,
diff --git a/tests/net/java/com/android/server/connectivity/DnsManagerTest.java b/tests/net/java/com/android/server/connectivity/DnsManagerTest.java
index b7ece8f..692c50f 100644
--- a/tests/net/java/com/android/server/connectivity/DnsManagerTest.java
+++ b/tests/net/java/com/android/server/connectivity/DnsManagerTest.java
@@ -18,15 +18,15 @@
 
 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_OFF;
 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_PROVIDER_HOSTNAME;
+import static android.net.ConnectivitySettingsManager.PRIVATE_DNS_DEFAULT_MODE;
+import static android.net.ConnectivitySettingsManager.PRIVATE_DNS_MODE;
+import static android.net.ConnectivitySettingsManager.PRIVATE_DNS_SPECIFIER;
 import static android.net.NetworkCapabilities.MAX_TRANSPORT;
 import static android.net.NetworkCapabilities.MIN_TRANSPORT;
 import static android.net.NetworkCapabilities.TRANSPORT_VPN;
 import static android.net.NetworkCapabilities.TRANSPORT_WIFI;
 import static android.net.resolv.aidl.IDnsResolverUnsolicitedEventListener.VALIDATION_RESULT_FAILURE;
 import static android.net.resolv.aidl.IDnsResolverUnsolicitedEventListener.VALIDATION_RESULT_SUCCESS;
-import static android.provider.Settings.Global.PRIVATE_DNS_DEFAULT_MODE;
-import static android.provider.Settings.Global.PRIVATE_DNS_MODE;
-import static android.provider.Settings.Global.PRIVATE_DNS_SPECIFIER;
 
 import static com.android.testutils.MiscAsserts.assertContainsExactly;
 import static com.android.testutils.MiscAsserts.assertContainsStringsExactly;