Add SurfaceTexture::release and call it from AVDA.

media/gpu/android_video_decode_accelerator.cc

Index: media/gpu/android_video_decode_accelerator.cc
diff --git a/media/gpu/android_video_decode_accelerator.cc b/media/gpu/android_video_decode_accelerator.cc
index 8e00a4f1dff3024a2e1af983dd4de43f66a6dfd8..5f9e343147310f5308c6b2e562a7df1557931503 100644
--- a/media/gpu/android_video_decode_accelerator.cc
+++ b/media/gpu/android_video_decode_accelerator.cc
@@ -1367,7 +1367,7 @@ void AndroidVideoDecodeAccelerator::Destroy() {
     LOG(WARNING) << "Failed make GL context current for Destroy, continuing.";
 
   if (strategy_)
-    strategy_->Cleanup(have_context, output_picture_buffers_);
+    strategy_->BeginCleanup(have_context, output_picture_buffers_);
 
   // If we have an OnFrameAvailable handler, tell it that we're going away.
   if (on_frame_available_handler_) {
@@ -1400,6 +1400,9 @@ void AndroidVideoDecodeAccelerator::ActualDestroy() {
         on_destroying_surface_cb_);
   }
 
+  if (strategy_)
+    strategy_->EndCleanup();
+
   AVDATimerManager* manager = g_avda_timer.Pointer();
 
   // We no longer care about |surface_id|, in case we did before.  It's okay