Add periodic logging of sync delays.

Bug: none
Change-Id: Ib2371651c7a912231c93742410a8aa1b01cc9896
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/168344
Reviewed-by: Sam Zackrisson <saza@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Commit-Queue: Åsa Persson <asapersson@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30495}
diff --git a/audio/audio_receive_stream.cc b/audio/audio_receive_stream.cc
index 2e02388..7c6adcd 100644
--- a/audio/audio_receive_stream.cc
+++ b/audio/audio_receive_stream.cc
@@ -295,7 +295,7 @@
   return channel_receive_->PreferredSampleRate();
 }
 
-int AudioReceiveStream::id() const {
+uint32_t AudioReceiveStream::id() const {
   RTC_DCHECK_RUN_ON(&worker_thread_checker_);
   return config_.rtp.remote_ssrc;
 }