Attach TransportFeedbackPacketLossTracker to ANA (PLR only)

webrtc/voice_engine/channel_proxy.h

Index: webrtc/voice_engine/channel_proxy.h
diff --git a/webrtc/voice_engine/channel_proxy.h b/webrtc/voice_engine/channel_proxy.h
index 7d18a74d575a5004b21ea840748d89289f97d518..82d7ff4ac6e171980a5856c317f876fbc948975e 100644
--- a/webrtc/voice_engine/channel_proxy.h
+++ b/webrtc/voice_engine/channel_proxy.h
@@ -34,6 +34,10 @@ class RtpRtcp;
 class Transport;
 class TransportFeedbackObserver;
 
+namespace rtcp {
+class TransportFeedback;
+}  // namespace rtcp
+
 namespace voe {
 
 class Channel;
@@ -110,6 +114,10 @@ class ChannelProxy {
 
   virtual void SetRtcpRttStats(RtcpRttStats* rtcp_rtt_stats);
 
+  void HandleTransportFeedback(
+      const std::vector<uint16_t>& packets_sent_since_last_feedback,
+      const rtcp::TransportFeedback& feedback);
+
  private:
   Channel* channel() const;