Merge changes from topic "backport-connectivityresources"

* changes:
  Use module resources in NetworkNotificationManager.
  Cherry-pick some test changes from ag/13210542.
  Add connectivity protos to framework-connectivity
  Remove unused NetworkPolicyManagerInternal in CS
  Move connectivity AIDLs to android.net
  Migrate framework-connectivity internal resources
  Expose isUidNetworkingBlocked and isUidRestrictedOnMeteredNetworks
  Add multipath preference, background status API

4 files changed, 35 insertions, 6 deletions

diff --git a/core/api/module-lib-current.txt b/core/api/module-lib-current.txt
index 03aadbb05806..f155a5f07fd7 100644
--- a/core/api/module-lib-current.txt
+++ b/core/api/module-lib-current.txt
@@ -48,7 +48,11 @@ package android.net {
 
   public class NetworkPolicyManager {
     method @NonNull public static String blockedReasonsToString(int);
+    method @RequiresPermission(android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK) public int getMultipathPreference(@NonNull android.net.Network);
+    method @RequiresPermission(android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK) public int getRestrictBackgroundStatus(int);
     method public static boolean isUidBlocked(int, boolean);
+    method @RequiresPermission(android.Manifest.permission.OBSERVE_NETWORK_POLICY) public boolean isUidNetworkingBlocked(int, boolean);
+    method @RequiresPermission(android.Manifest.permission.OBSERVE_NETWORK_POLICY) public boolean isUidRestrictedOnMeteredNetworks(int);
     method @RequiresPermission(android.Manifest.permission.OBSERVE_NETWORK_POLICY) public void registerNetworkPolicyCallback(@Nullable java.util.concurrent.Executor, @NonNull android.net.NetworkPolicyManager.NetworkPolicyCallback);
     method @RequiresPermission(android.Manifest.permission.OBSERVE_NETWORK_POLICY) public void unregisterNetworkPolicyCallback(@NonNull android.net.NetworkPolicyManager.NetworkPolicyCallback);
     field public static final int BLOCKED_METERED_REASON_ADMIN_DISABLED = 262144; // 0x40000
diff --git a/core/api/test-current.txt b/core/api/test-current.txt
index a0ff97e1f338..11df05812e21 100644
--- a/core/api/test-current.txt
+++ b/core/api/test-current.txt
@@ -996,6 +996,8 @@ package android.net {
 
   public class NetworkPolicyManager {
     method public boolean getRestrictBackground();
+    method @RequiresPermission(android.Manifest.permission.OBSERVE_NETWORK_POLICY) public boolean isUidNetworkingBlocked(int, boolean);
+    method @RequiresPermission(android.Manifest.permission.OBSERVE_NETWORK_POLICY) public boolean isUidRestrictedOnMeteredNetworks(int);
     method @NonNull public static String resolveNetworkId(@NonNull android.net.wifi.WifiConfiguration);
     method public void setRestrictBackground(boolean);
   }
diff --git a/core/java/android/net/INetworkPolicyManager.aidl b/core/java/android/net/INetworkPolicyManager.aidl
index 9bf791ba33e0..171c6a2c6a19 100644
--- a/core/java/android/net/INetworkPolicyManager.aidl
+++ b/core/java/android/net/INetworkPolicyManager.aidl
@@ -62,6 +62,7 @@ interface INetworkPolicyManager {
         3 - enabled
     */
     int getRestrictBackgroundByCaller();
+    int getRestrictBackgroundStatus(int uid);
 
     void setDeviceIdleMode(boolean enabled);
     void setWifiMeteredOverride(String networkId, int meteredOverride);
diff --git a/core/java/android/net/NetworkPolicyManager.java b/core/java/android/net/NetworkPolicyManager.java
index c544c3275cf3..6152589516c9 100644
--- a/core/java/android/net/NetworkPolicyManager.java
+++ b/core/java/android/net/NetworkPolicyManager.java
@@ -529,6 +529,26 @@ public class NetworkPolicyManager {
     }
 
     /**
+     * Determines if an UID is subject to metered network restrictions while running in background.
+     *
+     * @param uid The UID whose status needs to be checked.
+     * @return {@link ConnectivityManager#RESTRICT_BACKGROUND_STATUS_DISABLED},
+     *         {@link ConnectivityManager##RESTRICT_BACKGROUND_STATUS_ENABLED},
+     *         or {@link ConnectivityManager##RESTRICT_BACKGROUND_STATUS_WHITELISTED} to denote
+     *         the current status of the UID.
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    @RequiresPermission(NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK)
+    public int getRestrictBackgroundStatus(int uid) {
+        try {
+            return mService.getRestrictBackgroundStatus(uid);
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
      * Override connections to be temporarily marked as either unmetered or congested,
      * along with automatic timeouts if desired.
      *
@@ -610,9 +630,8 @@ public class NetworkPolicyManager {
      * @param meteredNetwork True if the network is metered.
      * @return true if networking is blocked for the given uid according to current networking
      *         policies.
-     *
-     * @hide
      */
+    @RequiresPermission(android.Manifest.permission.OBSERVE_NETWORK_POLICY)
     public boolean isUidNetworkingBlocked(int uid, boolean meteredNetwork) {
         try {
             return mService.isUidNetworkingBlocked(uid, meteredNetwork);
@@ -651,9 +670,8 @@ public class NetworkPolicyManager {
      *
      * @param uid The target uid.
      * @return true if the given uid is restricted from doing networking on metered networks.
-     *
-     * @hide
      */
+    @RequiresPermission(android.Manifest.permission.OBSERVE_NETWORK_POLICY)
     public boolean isUidRestrictedOnMeteredNetworks(int uid) {
         try {
             return mService.isUidRestrictedOnMeteredNetworks(uid);
@@ -663,11 +681,15 @@ public class NetworkPolicyManager {
     }
 
     /**
-     * Get multipath preference for the given network.
+     * Gets a hint on whether it is desirable to use multipath data transfer on the given network.
+     *
+     * @return One of the ConnectivityManager.MULTIPATH_PREFERENCE_* constants.
      *
      * @hide
      */
-    public int getMultipathPreference(Network network) {
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    @RequiresPermission(NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK)
+    public int getMultipathPreference(@NonNull Network network) {
         try {
             return mService.getMultipathPreference(network);
         } catch (RemoteException e) {