Add hints for potential overlay promotion on android.

cc/resources/video_resource_updater.cc

Index: cc/resources/video_resource_updater.cc
diff --git a/cc/resources/video_resource_updater.cc b/cc/resources/video_resource_updater.cc
index 2ea3f4691eaeee32cbf94f12bde5951088415aeb..d3e846efcd378c0f7e270bddb12679859d245b13 100644
--- a/cc/resources/video_resource_updater.cc
+++ b/cc/resources/video_resource_updater.cc
@@ -768,6 +768,10 @@ VideoFrameExternalResources VideoResourceUpdater::CreateForHardwarePlanes(
                                  media::VideoFrameMetadata::ALLOW_OVERLAY),
                              false);
       mailbox.set_color_space(video_frame->ColorSpace());
+#if defined(OS_ANDROID)
+      mailbox.set_is_backed_by_surface_texture(video_frame->metadata()->IsTrue(
+          media::VideoFrameMetadata::SURFACE_TEXTURE));
+#endif
       external_resources.mailboxes.push_back(mailbox);
       external_resources.release_callbacks.push_back(
           base::Bind(&ReturnTexture, AsWeakPtr(), video_frame));