Introduced new scheme for controlling the functionality inside the audio processing module

webrtc/media/engine/fakewebrtcvoiceengine.h

Index: webrtc/media/engine/fakewebrtcvoiceengine.h
diff --git a/webrtc/media/engine/fakewebrtcvoiceengine.h b/webrtc/media/engine/fakewebrtcvoiceengine.h
index 33ea7cafc5e99d6194b7a8f6d54960ab8c11c39f..f1e63a557c9d758d0c8fcf92d9131764f00d6f31 100644
--- a/webrtc/media/engine/fakewebrtcvoiceengine.h
+++ b/webrtc/media/engine/fakewebrtcvoiceengine.h
@@ -70,6 +70,7 @@ class FakeAudioProcessing : public webrtc::AudioProcessing {
   WEBRTC_STUB(Initialize, (
       const webrtc::ProcessingConfig& processing_config));
 
+  WEBRTC_VOID_STUB(ApplyConfig, (const AudioProcessing::Config& config));
   WEBRTC_VOID_FUNC(SetExtraOptions, (const webrtc::Config& config)) {
     experimental_ns_enabled_ = config.Get<webrtc::ExperimentalNs>().enabled;
   }