Allow ANA to receive RPLR (recoverable packet loss rate) indications

webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus.cc

Index: webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus.cc
diff --git a/webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus.cc b/webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus.cc
index bac963f4e8e2de9ff047ac78d889e9b187c6469e..103ec9b33f4188dc242f00d73d5e8600933b1b05 100644
--- a/webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus.cc
+++ b/webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus.cc
@@ -304,6 +304,15 @@ void AudioEncoderOpus::OnReceivedUplinkPacketLossFraction(
   ApplyAudioNetworkAdaptor();
 }
 
+void AudioEncoderOpus::OnReceivedUplinkRecoverablePacketLossFraction(
+    float uplink_recoverable_packet_loss_fraction) {
+  if (!audio_network_adaptor_)
+    return;
+  audio_network_adaptor_->SetUplinkRecoverablePacketLossFraction(
+      uplink_recoverable_packet_loss_fraction);
+  ApplyAudioNetworkAdaptor();
+}
+
 void AudioEncoderOpus::OnReceivedUplinkBandwidth(
     int target_audio_bitrate_bps,
     rtc::Optional<int64_t> probing_interval_ms) {