Enable remote to local transfers by default

This allows the user to continue playback locally, unlike the Stop Casting button
which stops the cast session, but also pauses playback.

PiperOrigin-RevId: 784159281

Author: AquilesCanta

RELEASENOTES.md

@@ -100,6 +100,7 @@
         `CastPlayer` constructors keep their old behavior, but are deprecated in
         favour of using the `CastPlayer` or `RemoteCastPlayer` builders instead.
     *   Stop enforcing a non-null mime type in `DefaultMediaItemConverter`.
+    *   Enable remote to local transfers in `DefaultCastOptionsProvider`.
 *   Test Utilities:
 *   Remove deprecated symbols:
 

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

@@ -43,6 +43,7 @@ public CastOptions getCastOptions(Context context) {
         .setEnableReconnectionService(false)
         .setReceiverApplicationId(APP_ID_DEFAULT_RECEIVER_WITH_DRM)
         .setStopReceiverApplicationWhenEndingSession(true)
+        .setRemoteToLocalEnabled(true)
         .build();
   }