Added forced zero AEC output after call startup and echo path changes

webrtc/modules/audio_processing/aec3/echo_remover.cc

Index: webrtc/modules/audio_processing/aec3/echo_remover.cc
diff --git a/webrtc/modules/audio_processing/aec3/echo_remover.cc b/webrtc/modules/audio_processing/aec3/echo_remover.cc
index 2b28a217510f36de3bc6968d2943b9ff4b605516..ea4025365a2504022948b1315876592717a14d64 100644
--- a/webrtc/modules/audio_processing/aec3/echo_remover.cc
+++ b/webrtc/modules/audio_processing/aec3/echo_remover.cc
@@ -182,7 +182,7 @@ void EchoRemoverImpl::ProcessCapture(
   // A choose and apply echo suppression gain.
   suppression_gain_.GetGain(E2, R2, cng_.NoiseSpectrum(),
                             aec_state_.SaturatedEcho(), x, y->size(),
-                            &high_bands_gain, &G);
+                            aec_state_.ForcedZeroGain(), &high_bands_gain, &G);
   suppression_filter_.ApplyGain(comfort_noise, high_band_comfort_noise, G,
                                 high_bands_gain, y);