Log Call {audio, video} stream deletions.

webrtc/video/video_receive_stream.cc

Index: webrtc/video/video_receive_stream.cc
diff --git a/webrtc/video/video_receive_stream.cc b/webrtc/video/video_receive_stream.cc
index 018da738fa40d6dc112564b161b1e5e75cd3ead5..7cc5722c85cf91ae25985be8584995636646cec2 100644
--- a/webrtc/video/video_receive_stream.cc
+++ b/webrtc/video/video_receive_stream.cc
@@ -139,6 +139,7 @@ VideoReceiveStream::VideoReceiveStream(int num_cpu_cores,
       clock_(Clock::GetRealTimeClock()),
       channel_group_(channel_group),
       channel_id_(channel_id) {
+  LOG(LS_INFO) << "VideoReceiveStream: " << config_.ToString();
   RTC_CHECK(channel_group_->CreateReceiveChannel(
       channel_id_, &transport_adapter_, num_cpu_cores, config));
 
@@ -253,6 +254,7 @@ VideoReceiveStream::VideoReceiveStream(int num_cpu_cores,
 }
 
 VideoReceiveStream::~VideoReceiveStream() {
+  LOG(LS_INFO) << "~VideoReceiveStream: " << config_.ToString();
   incoming_video_stream_->Stop();
   vie_channel_->RegisterPreRenderCallback(nullptr);
   vie_channel_->RegisterPreDecodeImageCallback(nullptr);