Merge "When only one device is selected in dynamic group, the device should be disabled" into rvc-dev

packages/SettingsLib/src/com/android/settingslib/media/InfoMediaManager.java

@@ -475,5 +475,10 @@ public class InfoMediaManager extends MediaManager {
         public void onRequestFailed(int reason) {
             dispatchOnRequestFailed(reason);
         }
+
+        @Override
+        public void onSessionUpdated(RoutingSessionInfo sessionInfo) {
+            dispatchDataChanged();
+        }
     }
 }

packages/SettingsLib/tests/robotests/src/com/android/settingslib/media/InfoMediaManagerTest.java

@@ -624,6 +624,15 @@ public class InfoMediaManagerTest {
         verify(mCallback).onConnectedDeviceChanged(null);
     }
 
+    @Test
+    public void onSessionUpdated_shouldDispatchDataChanged() {
+        mInfoMediaManager.registerCallback(mCallback);
+
+        mInfoMediaManager.mMediaRouterCallback.onSessionUpdated(mock(RoutingSessionInfo.class));
+
+        verify(mCallback).onDeviceAttributesChanged();
+    }
+
     @Test
     public void addMediaDevice_verifyDeviceTypeCanCorrespondToMediaDevice() {
         final MediaRoute2Info route2Info = mock(MediaRoute2Info.class);