Cleaned up and revised the handling of resampling and bandsplitting in APM and

webrtc/modules/audio_processing/echo_cancellation_impl.h

Index: webrtc/modules/audio_processing/echo_cancellation_impl.h
diff --git a/webrtc/modules/audio_processing/echo_cancellation_impl.h b/webrtc/modules/audio_processing/echo_cancellation_impl.h
index 0f0945f875fc8fa18c5a1a1ed4629c042389d4f1..b71c47f583c1c84415c8e694f2382d06d246d037 100644
--- a/webrtc/modules/audio_processing/echo_cancellation_impl.h
+++ b/webrtc/modules/audio_processing/echo_cancellation_impl.h
@@ -50,11 +50,6 @@ class EchoCancellationImpl : public EchoCancellation {
   std::string GetExperimentsDescription();
   bool is_refined_adaptive_filter_enabled() const;
 
-  // Checks whether the module is enabled. Must only be
-  // called from the render side of APM as otherwise
-  // deadlocks may occur.
-  bool is_enabled_render_side_query() const;
-
   // Reads render side data that has been queued on the render call.
   // Called holding the capture lock.
   void ReadQueuedRenderData();