Further utilizing the AEC3 config struct for constants

webrtc/modules/audio_processing/include/audio_processing.h

Index: webrtc/modules/audio_processing/include/audio_processing.h
diff --git a/webrtc/modules/audio_processing/include/audio_processing.h b/webrtc/modules/audio_processing/include/audio_processing.h
index e130b836cefc5fb24c644ff46fbd9ee6062bc03f..03bd8c85b02efff9698b927c7f3f7e1660733a0f 100644
--- a/webrtc/modules/audio_processing/include/audio_processing.h
+++ b/webrtc/modules/audio_processing/include/audio_processing.h
@@ -292,8 +292,14 @@ class AudioProcessing : public rtc::RefCountInterface {
         struct EchoAudibility {
           float low_render_limit = 192.f;
           float normal_render_limit = 64.f;
+          float active_render_limit = 100.f;
         } echo_audibility;
 
+        struct RenderLevels {
+          float active_render_limit = 100.f;
+          float poor_excitation_render_limit = 150.f;
+        } render_levels;
+
         struct GainUpdates {
           struct GainChanges {
             float max_inc;