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

webrtc/voice_engine/channel.cc

Index: webrtc/voice_engine/channel.cc
diff --git a/webrtc/voice_engine/channel.cc b/webrtc/voice_engine/channel.cc
index 5bf54548b236519994d2fbf7a7e34a8df782eec4..7b224f051fc62eb625715ed4b43cd3dd2bf4d667 100644
--- a/webrtc/voice_engine/channel.cc
+++ b/webrtc/voice_engine/channel.cc
@@ -1303,6 +1303,15 @@ void Channel::OnTwccBasedUplinkPacketLossRate(
   });
 }
 
+void Channel::OnRecoverableUplinkPacketLossRate(
+    const rtc::Optional<float>& recoverable_packet_loss_rate) {
+  audio_coding_->ModifyEncoder([&](std::unique_ptr<AudioEncoder>* encoder) {
+    if (*encoder)
+      (*encoder)->OnReceivedUplinkRecoverablePacketLossFraction(
+          recoverable_packet_loss_rate);
+  });
+}
+
 void Channel::OnUplinkPacketLossRate(float packet_loss_rate) {
   if (use_twcc_plr_for_ana_)
     return;