Add new ANA stats to GetStats() to count the number of actions taken by each controller.

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 5756e2af685ee1f8c5855808828abc3925160528..a91ab85891491058b4f9c6db318c0e1152d4edff 100644
--- a/webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus.cc
+++ b/webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus.cc
@@ -773,4 +773,20 @@ void AudioEncoderOpus::MaybeUpdateUplinkBandwidth() {
   }
 }
 
+AudioEncoder::AudioEncoderStats AudioEncoderOpus::GetStats() const {
+  if (audio_network_adaptor_) {
+    auto ana_stats = audio_network_adaptor_->GetStats();
+    auto stats = AudioEncoderStats();

[ossu, 2017/08/31 13:13:10]

No. :)

[ivoc, 2017/08/31 14:57:50]

Oops. :)

+    stats.ana_bitrate_action_counter = ana_stats.ana_bitrate_action_counter;
+    stats.ana_channel_action_counter = ana_stats.ana_channel_action_counter;
+    stats.ana_dtx_action_counter = ana_stats.ana_dtx_action_counter;
+    stats.ana_fec_action_counter = ana_stats.ana_fec_action_counter;
+    stats.ana_frame_length_action_counter =
+        ana_stats.ana_frame_length_action_counter;
+    return stats;
+  } else {
+    return AudioEncoderStats();
+  }
+}
+
 }  // namespace webrtc