Get resource based on subId for multi-SIM

The resource loading is done based on the last SIM to come up
which is not a deterministic design. Thus, update the way to get
the resource based on the subId.

Test: atest FrameworksNetTests
Test: manually test with avoid bad wifi feature supported sim
Bug: 138956509
Change-Id: Ib5b085d97103889600773d269e03b939c29ca47d

core/java/android/net/util/MultinetworkPolicyTracker.java

@@ -16,28 +16,31 @@
 
 package android.net.util;
 
+import static android.provider.Settings.Global.NETWORK_AVOID_BAD_WIFI;
+import static android.provider.Settings.Global.NETWORK_METERED_MULTIPATH_PREFERENCE;
+
+import android.annotation.NonNull;
 import android.content.BroadcastReceiver;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.content.res.Resources;
 import android.database.ContentObserver;
-import android.net.ConnectivityManager;
 import android.net.Uri;
 import android.os.Handler;
-import android.os.Message;
 import android.os.UserHandle;
 import android.provider.Settings;
+import android.telephony.PhoneStateListener;
+import android.telephony.SubscriptionManager;
+import android.telephony.TelephonyManager;
 import android.util.Slog;
 
-import java.util.Arrays;
-import java.util.List;
-
-import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.R;
+import com.android.internal.annotations.VisibleForTesting;
 
-import static android.provider.Settings.Global.NETWORK_AVOID_BAD_WIFI;
-import static android.provider.Settings.Global.NETWORK_METERED_MULTIPATH_PREFERENCE;
+import java.util.Arrays;
+import java.util.List;
 
 /**
  * A class to encapsulate management of the "Smart Networking" capability of
@@ -69,6 +72,7 @@ public class MultinetworkPolicyTracker {
 
     private volatile boolean mAvoidBadWifi = true;
     private volatile int mMeteredMultipathPreference;
+    private int mActiveSubId = SubscriptionManager.INVALID_SUBSCRIPTION_ID;
 
     public MultinetworkPolicyTracker(Context ctx, Handler handler) {
         this(ctx, handler, null);
@@ -95,6 +99,14 @@ public class MultinetworkPolicyTracker {
             }
         };
 
+        TelephonyManager.from(ctx).listen(new PhoneStateListener() {
+            @Override
+            public void onActiveDataSubscriptionIdChanged(int subId) {
+                mActiveSubId = subId;
+                reevaluate();
+            }
+        }, PhoneStateListener.LISTEN_ACTIVE_DATA_SUBSCRIPTION_ID_CHANGE);
+
         updateAvoidBadWifi();
         updateMeteredMultipathPreference();
     }
@@ -131,7 +143,12 @@ public class MultinetworkPolicyTracker {
      * Whether the device or carrier configuration disables avoiding bad wifi by default.
      */
     public boolean configRestrictsAvoidBadWifi() {
-        return (mContext.getResources().getInteger(R.integer.config_networkAvoidBadWifi) == 0);
+        return (getResourcesForActiveSubId().getInteger(R.integer.config_networkAvoidBadWifi) == 0);
+    }
+
+    @NonNull
+    private Resources getResourcesForActiveSubId() {
+        return SubscriptionManager.getResourcesForSubId(mContext, mActiveSubId);
     }
 
     /**