Update the call of PlaybackViewModel#playItem()

Bug: 141863798
Test: manual
Change-Id: I283225e96e71e351a9aa47516a8dff18477ee1ee
diff --git a/src/com/android/car/media/MediaActivity.java b/src/com/android/car/media/MediaActivity.java
index 7b49b69..c3bef92 100644
--- a/src/com/android/car/media/MediaActivity.java
+++ b/src/com/android/car/media/MediaActivity.java
@@ -675,7 +675,7 @@
     @Override
     public void onPlayableItemClicked(MediaItemMetadata item) {
         mPlaybackController.stop();
-        mPlaybackController.playItem(item.getId());
+        mPlaybackController.playItem(item);
         boolean switchToPlayback = getResources().getBoolean(
                 R.bool.switch_to_playback_view_when_playable_item_is_clicked);
         if (switchToPlayback) {