Hooking up audio network adaptor to VoE.

BUG=webrtc:6303

Review-Url: https://codereview.webrtc.org/2390883004
Cr-Commit-Position: refs/heads/master@{#14611}
diff --git a/webrtc/modules/audio_coding/codecs/audio_encoder.cc b/webrtc/modules/audio_coding/codecs/audio_encoder.cc
index 1216484..956c4e0 100644
--- a/webrtc/modules/audio_coding/codecs/audio_encoder.cc
+++ b/webrtc/modules/audio_coding/codecs/audio_encoder.cc
@@ -77,9 +77,13 @@
 void AudioEncoder::OnReceivedUplinkBandwidth(int uplink_bandwidth_bps) {}
 
 void AudioEncoder::OnReceivedUplinkPacketLossFraction(
-    float uplink_packet_loss_fraction) {}
+    float uplink_packet_loss_fraction) {
+  SetProjectedPacketLossRate(uplink_packet_loss_fraction);
+}
 
-void AudioEncoder::OnReceivedTargetAudioBitrate(int target_audio_bitrate_bps) {}
+void AudioEncoder::OnReceivedTargetAudioBitrate(int target_audio_bitrate_bps) {
+  SetTargetBitrate(target_audio_bitrate_bps);
+}
 
 void AudioEncoder::OnReceivedRtt(int rtt_ms) {}