Map `PLAYER_STATE_LOADING` to `STATE_BUFFERING`

#minor-release
Issue: androidx/media#245
PiperOrigin-RevId: 510456793
(cherry picked from commit ba49b6b8)

RELEASENOTES.md

@@ -101,6 +101,9 @@ This release corresponds to the
 *   Cast extension:
 *   Cast extension:
     *   Bump Cast SDK version to 21.2.0.
     *   Bump Cast SDK version to 21.2.0.
 *   IMA extension:
 *   IMA extension:
+    *   Map `PLAYER_STATE_LOADING` to `STATE_BUFFERING`
+        ([#245](\(https://github.com/androidx/media/issues/245\)).
+*   IMA extension
     *   Remove player listener of the `ImaServerSideAdInsertionMediaSource` on
     *   Remove player listener of the `ImaServerSideAdInsertionMediaSource` on
         the application thread to avoid threading issues.
         the application thread to avoid threading issues.
     *   Add a property `focusSkipButtonWhenAvailable` to the
     *   Add a property `focusSkipButtonWhenAvailable` to the

libraries/cast/src/main/java/androidx/media3/cast/CastPlayer.java

@@ -1237,6 +1237,7 @@ public final class CastPlayer extends BasePlayer {
     int receiverAppStatus = remoteMediaClient.getPlayerState();
     int receiverAppStatus = remoteMediaClient.getPlayerState();
     switch (receiverAppStatus) {
     switch (receiverAppStatus) {
       case MediaStatus.PLAYER_STATE_BUFFERING:
       case MediaStatus.PLAYER_STATE_BUFFERING:
+      case MediaStatus.PLAYER_STATE_LOADING:
         return STATE_BUFFERING;
         return STATE_BUFFERING;
       case MediaStatus.PLAYER_STATE_PLAYING:
       case MediaStatus.PLAYER_STATE_PLAYING:
       case MediaStatus.PLAYER_STATE_PAUSED:
       case MediaStatus.PLAYER_STATE_PAUSED:
@@ -1299,6 +1300,7 @@ public final class CastPlayer extends BasePlayer {
     return false;
     return false;
   }
   }
 
 
+  @SuppressWarnings("VisibleForTests")
   private static int getCastRepeatMode(@RepeatMode int repeatMode) {
   private static int getCastRepeatMode(@RepeatMode int repeatMode) {
     switch (repeatMode) {
     switch (repeatMode) {
       case REPEAT_MODE_ONE:
       case REPEAT_MODE_ONE: