emit TrackStreamUpdatedEvent

lib/src/track/track.dart

@@ -36,6 +36,12 @@ abstract class Track extends DisposableChangeNotifier
     this.name,
     this.mediaStreamTrack,
   ) {
+    // Any event emitted will trigger ChangeNotifier
+    events.listen((event) {
+      logger.fine('[TrackEvent] $event, will notifyListeners()');
+      notifyListeners();
+    });
+
     onDispose(() async {
       logger.fine('${objectId} onDispose()');
       // dispose events

lib/src/track/video_track.dart

@@ -1,4 +1,5 @@
 import 'package:flutter_webrtc/flutter_webrtc.dart' as rtc;
+import 'package:livekit_client/src/internal/events.dart';
 import 'package:meta/meta.dart';
 
 import '../proto/livekit_models.pb.dart' as lk_models;
@@ -26,7 +27,10 @@ abstract class VideoTrack extends Track {
   @internal
   void setMediaStream(rtc.MediaStream stream) {
     _mediaStream = stream;
-    notifyListeners();
+    events.emit(TrackStreamUpdatedEvent(
+      track: this,
+      stream: stream,
+    ));
   }
 
   @override