Restore a couple of blank lines

Author: icbaker

libraries/exoplayer/src/main/java/androidx/media3/exoplayer/AudioFocusManager.java

@@ -164,8 +164,10 @@ public interface PlayerControl {
 
   private final AudioFocusListener focusListener;
   private final Supplier<AudioManager> audioManager;
+
   @Nullable private PlayerControl playerControl;
   @Nullable private AudioAttributes audioAttributes;
+
   private @AudioFocusState int audioFocusState;
   private @AudioFocusGain int focusGainToRequest;
   private float volumeMultiplier = VOLUME_MULTIPLIER_DEFAULT;