Introduced the render sample queue for the aec and aecm.

BUG=webrtc:5099

Review URL: https://codereview.webrtc.org/1410833002

Cr-Commit-Position: refs/heads/master@{#10662}
diff --git a/webrtc/modules/audio_processing/audio_processing_impl.cc b/webrtc/modules/audio_processing/audio_processing_impl.cc
index 668ec11..0daaf1f 100644
--- a/webrtc/modules/audio_processing/audio_processing_impl.cc
+++ b/webrtc/modules/audio_processing/audio_processing_impl.cc
@@ -530,6 +530,9 @@
     return kNullPointerError;
   }
 
+  echo_cancellation_->ReadQueuedRenderData();
+  echo_control_mobile_->ReadQueuedRenderData();
+
   ProcessingConfig processing_config = api_format_;
   processing_config.input_stream() = input_config;
   processing_config.output_stream() = output_config;
@@ -571,6 +574,9 @@
 
 int AudioProcessingImpl::ProcessStream(AudioFrame* frame) {
   CriticalSectionScoped crit_scoped(crit_);
+  echo_cancellation_->ReadQueuedRenderData();
+  echo_control_mobile_->ReadQueuedRenderData();
+
   if (!frame) {
     return kNullPointerError;
   }