Update notification when device info changes

Device info determines whether we have cast or normal media
notification. It decides whether we can enable playback resumption.
To ensure the state is correct, notify SystemUI when device info
changed.

Author: nift4

libraries/session/src/main/java/androidx/media3/session/MediaSessionLegacyStub.java

@@ -1673,7 +1673,10 @@ public void onAudioAttributesChanged(int seq, AudioAttributes audioAttributes) {
       int playbackType = sessionImpl.getPlayerWrapper().getDeviceInfo().playbackType;
       if (playbackType == DeviceInfo.PLAYBACK_TYPE_LOCAL) {
         postOrRunForCompatSession(
-            () -> sessionCompat.setPlaybackToLocal(audioAttributes.getStreamType()));
+            () -> {
+              sessionCompat.setPlaybackToLocal(audioAttributes.getStreamType());
+              sessionImpl.onNotificationRefreshRequired();
+            });
       }
     }
 
@@ -1683,9 +1686,15 @@ public void onDeviceInfoChanged(int seq, DeviceInfo deviceInfo) {
       volumeProviderCompat = createVolumeProviderCompat(player);
       if (volumeProviderCompat == null) {
         int streamType = player.getAudioAttributesWithCommandCheck().getStreamType();
-        postOrRunForCompatSession(() -> sessionCompat.setPlaybackToLocal(streamType));
+        postOrRunForCompatSession(() -> {
+          sessionCompat.setPlaybackToLocal(streamType);
+          sessionImpl.onNotificationRefreshRequired();
+        });
       } else {
-        postOrRunForCompatSession(() -> sessionCompat.setPlaybackToRemote(volumeProviderCompat));
+        postOrRunForCompatSession(() -> {
+          sessionCompat.setPlaybackToRemote(volumeProviderCompat);
+          sessionImpl.onNotificationRefreshRequired();
+        });
       }
     }