Added handling of 'agc_compression_gain' flag in audioproc_f.

webrtc/modules/audio_processing/test/audio_processing_simulator.h

Index: webrtc/modules/audio_processing/test/audio_processing_simulator.h
diff --git a/webrtc/modules/audio_processing/test/audio_processing_simulator.h b/webrtc/modules/audio_processing/test/audio_processing_simulator.h
index 06735c47b00711fee0897ad8cd461738c0ef3c66..f597fa101a76e7a1a705464957458308fb1b0f81 100644
--- a/webrtc/modules/audio_processing/test/audio_processing_simulator.h
+++ b/webrtc/modules/audio_processing/test/audio_processing_simulator.h
@@ -64,6 +64,7 @@ struct SimulationSettings {
   rtc::Optional<bool> use_drift_compensation;
   rtc::Optional<bool> use_aec3;
   rtc::Optional<bool> use_lc;
+  rtc::Optional<bool> use_experimental_agc;
   rtc::Optional<int> aecm_routing_mode;
   rtc::Optional<bool> use_aecm_comfort_noise;
   rtc::Optional<int> agc_mode;