Add NonMediaMainlineTest to MediaPlayerTest

Bug: 189792366
Change-Id: I9797e915f418713ae3ed29e1601740924cc5b01c
Test: TBD
diff --git a/tests/tests/media/src/android/media/cts/MediaPlayerTest.java b/tests/tests/media/src/android/media/cts/MediaPlayerTest.java
index 8a5c35c..10a0be2 100644
--- a/tests/tests/media/src/android/media/cts/MediaPlayerTest.java
+++ b/tests/tests/media/src/android/media/cts/MediaPlayerTest.java
@@ -83,6 +83,7 @@
  */
 @SmallTest
 @RequiresDevice
+@NonMediaMainlineTest
 @AppModeFull(reason = "TODO: evaluate and port to instant")
 public class MediaPlayerTest extends MediaPlayerTestBase {