AGC2 dummy module: fixed gain param, APM integration, audioproc_f adaptation

webrtc/modules/audio_processing/test/audio_processing_simulator.cc

Index: webrtc/modules/audio_processing/test/audio_processing_simulator.cc
diff --git a/webrtc/modules/audio_processing/test/audio_processing_simulator.cc b/webrtc/modules/audio_processing/test/audio_processing_simulator.cc
index 3360a672eccfc7b9b07a05f01547e93cce48387d..83f44ff354c856bf8e0ec320b46c80a822a4d68c 100644
--- a/webrtc/modules/audio_processing/test/audio_processing_simulator.cc
+++ b/webrtc/modules/audio_processing/test/audio_processing_simulator.cc
@@ -274,6 +274,7 @@ void AudioProcessingSimulator::CreateAudioProcessor() {
   }
   if (settings_.use_agc2) {
     apm_config.gain_controller2.enabled = *settings_.use_agc2;
+    apm_config.gain_controller2.fixed_gain_db = *settings_.agc2_fixed_gain_db;
   }
   if (settings_.use_lc) {
     apm_config.level_controller.enabled = *settings_.use_lc;