Adding more conservative AEC3 suppressor behavior initially in calls

Bug: webrtc:8746
Change-Id: I47def88f8d6092fcb6b1a4bd14478e8d5ccd5320
Reviewed-on: https://webrtc-review.googlesource.com/39840
Commit-Queue: Per Åhgren <peah@webrtc.org>
Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#21631}

modules/audio_processing/include/audio_processing.h

@@ -1313,6 +1313,7 @@ struct EchoCanceller3Config {
     };
 
     GainChanges low_noise = {3.f, 3.f, 1.5f, 1.5f, 1.5f, 1.5f};
+    GainChanges initial = {2.f, 2.f, 1.5f, 1.5f, 1.2f, 1.2f};
     GainChanges normal = {2.f, 2.f, 1.5f, 1.5f, 1.2f, 1.2f};
     GainChanges saturation = {1.2f, 1.2f, 1.5f, 1.5f, 1.f, 1.f};
     GainChanges nonlinear = {1.5f, 1.5f, 1.2f, 1.2f, 1.1f, 1.1f};