Attach TransportFeedbackPacketLossTracker to ANA (PLR only)

webrtc/voice_engine/channel_proxy.cc

Index: webrtc/voice_engine/channel_proxy.cc
diff --git a/webrtc/voice_engine/channel_proxy.cc b/webrtc/voice_engine/channel_proxy.cc
index b3c3a98507939914a414a487d1c9683e3b86a859..b720fc30d6211ef33d6f6fe8c1ed4a3c7dd18a67 100644
--- a/webrtc/voice_engine/channel_proxy.cc
+++ b/webrtc/voice_engine/channel_proxy.cc
@@ -297,6 +297,14 @@ void ChannelProxy::SetRtcpRttStats(RtcpRttStats* rtcp_rtt_stats) {
   channel()->SetRtcpRttStats(rtcp_rtt_stats);
 }
 
+void ChannelProxy::HandleTransportFeedback(
+    const std::vector<uint16_t>& packets_sent_since_last_feedback,
+    const rtcp::TransportFeedback& feedback) {
+  RTC_DCHECK(thread_checker_.CalledOnValidThread());
+  channel()->HandleTransportFeedback(packets_sent_since_last_feedback,
+                                     feedback);
+}
+
 Channel* ChannelProxy::channel() const {
   RTC_DCHECK(channel_owner_.channel());
   return channel_owner_.channel();