Set MediaSessionConnector components separately

Also support preparation without a player, in line with PlayerView.

PiperOrigin-RevId: 227735260

extensions/mediasession/src/main/java/com/google/android/exoplayer2/ext/mediasession/RepeatModeActionProvider.java

@@ -22,9 +22,7 @@ import com.google.android.exoplayer2.ControlDispatcher;
 import com.google.android.exoplayer2.Player;
 import com.google.android.exoplayer2.util.RepeatModeUtil;
 
-/**
- * Provides a custom action for toggling repeat modes.
- */
+/** Provides a custom action for toggling repeat modes. */
 public final class RepeatModeActionProvider implements MediaSessionConnector.CustomActionProvider {
 
   /** The default repeat toggle modes. */

extensions/mediasession/src/main/java/com/google/android/exoplayer2/ext/mediasession/TimelineQueueNavigator.java

@@ -41,7 +41,7 @@ public abstract class TimelineQueueNavigator implements MediaSessionConnector.Qu
 
   private final MediaSessionCompat mediaSession;
   private final Timeline.Window window;
-  protected final int maxQueueSize;
+  private final int maxQueueSize;
 
   private long activeQueueItemId;