Skip to enter the fullscreen automatically when hole-punching is enabled.

media/base/android/media_source_player.cc

Index: media/base/android/media_source_player.cc
diff --git a/media/base/android/media_source_player.cc b/media/base/android/media_source_player.cc
index 6eb5677b2c61988609bb529881d3c11909a10fc6..e476af55cea1e9c0c7fb775d084e7a4244f0510e 100644
--- a/media/base/android/media_source_player.cc
+++ b/media/base/android/media_source_player.cc
@@ -123,8 +123,11 @@ void MediaSourcePlayer::Start() {
 
   playing_ = true;
 
-  if (IsProtectedSurfaceRequired())
+  if (IsProtectedSurfaceRequired() &&
+      // Skip to request fullscreen when hole-punching is used.
+      !manager()->ShouldUseVideoOverlayForEmbeddedEncryptedVideo()) {
     manager()->RequestFullScreen(player_id());
+  }
 
   StartInternal();
 }