Corrected the emptying of the render queues for the AEC and AECM when these become full.

webrtc/modules/audio_processing/echo_control_mobile_impl.cc

Index: webrtc/modules/audio_processing/echo_control_mobile_impl.cc
diff --git a/webrtc/modules/audio_processing/echo_control_mobile_impl.cc b/webrtc/modules/audio_processing/echo_control_mobile_impl.cc
index d8eb7a38f3534dab1d54f3b44e650caaf2795477..0c62648e70015249214ae3a463aec6ae8d45bac0 100644
--- a/webrtc/modules/audio_processing/echo_control_mobile_impl.cc
+++ b/webrtc/modules/audio_processing/echo_control_mobile_impl.cc
@@ -174,7 +174,8 @@ int EchoControlMobileImpl::ProcessRenderAudio(const AudioBuffer* audio) {
     ReadQueuedRenderData();
 
     // Retry the insert (should always work).
-    RTC_DCHECK_EQ(render_signal_queue_->Insert(&render_queue_buffer_), true);
+    bool result = render_signal_queue_->Insert(&render_queue_buffer_);
+    RTC_DCHECK(result);
   }
 
   return AudioProcessing::kNoError;