Movable support for VideoReceiveStream::Config and avoid copies

webrtc/video/video_quality_test.cc

Index: webrtc/video/video_quality_test.cc
diff --git a/webrtc/video/video_quality_test.cc b/webrtc/video/video_quality_test.cc
index 94a446efc3dfa9c135f91e89f8c3918c003711eb..5e509cbc6eedc41df3dac54087608877fab4f87a 100644
--- a/webrtc/video/video_quality_test.cc
+++ b/webrtc/video/video_quality_test.cc
@@ -1140,7 +1140,7 @@ void VideoQualityTest::RunWithVideoRenderer(const Params& params) {
   video_send_stream_ =
       call->CreateVideoSendStream(video_send_config_, video_encoder_config_);
   VideoReceiveStream* receive_stream =
-      call->CreateVideoReceiveStream(video_receive_configs_[stream_id]);
+      call->CreateVideoReceiveStream(video_receive_configs_[stream_id].Copy());
   CreateCapturer(video_send_stream_->Input());
 
   receive_stream->Start();