Merge "MediaSession2: Remove initialization in library session impl constructor"

    public static class MediaLibrarySessionImpl extends MediaSession2Impl

    public static class MediaLibrarySessionImpl extends MediaSession2Impl

            implements MediaLibrarySessionProvider {

            implements MediaLibrarySessionProvider {

        private final MediaLibrarySessionCallback mCallback;

        public MediaLibrarySessionImpl(Context context,

        public MediaLibrarySessionImpl(Context context,

                MediaPlayerInterface player, String id, VolumeProvider2 volumeProvider,

                MediaPlayerInterface player, String id, VolumeProvider2 volumeProvider,

                int ratingType, PendingIntent sessionActivity, Executor callbackExecutor,

                int ratingType, PendingIntent sessionActivity, Executor callbackExecutor,

                MediaLibrarySessionCallback callback) {

                MediaLibrarySessionCallback callback) {

            super(context, player, id, volumeProvider, ratingType, sessionActivity,

            super(context, player, id, volumeProvider, ratingType, sessionActivity,

                    callbackExecutor, callback);

                    callbackExecutor, callback);

            mCallback = callback;

            // Don't put any extra initialization here. Here's the reason.

            // System service will recognize this session inside of the super constructor and would

            // connect to this session assuming that initialization is finished. However, if any

            // initialization logic is here, calls from the server would fail.

            // see: MediaSession2Stub#connect()

        }

        }

        @Override

        @Override

        @Override

        @Override

        MediaLibrarySessionCallback getCallback() {

        MediaLibrarySessionCallback getCallback() {

            // Equivalent to the (MediaLibrarySessionCallback) super.getCallback().

            return (MediaLibrarySessionCallback) super.getCallback();

            return mCallback;

        }

        }

        @Override

        @Override