Add Analyze API to NS

This adds an empty API.
In a next CL I will separate the noise estimation from the Process API and fill this function.

BUG=webrtc:3811
R=bjornv@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/23599004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7218 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/modules/audio_processing/audio_processing_impl.cc b/webrtc/modules/audio_processing/audio_processing_impl.cc
index 9d7f1ec..659b794 100644
--- a/webrtc/modules/audio_processing/audio_processing_impl.cc
+++ b/webrtc/modules/audio_processing/audio_processing_impl.cc
@@ -487,6 +487,7 @@
   if (echo_control_mobile_->is_enabled() && noise_suppression_->is_enabled()) {
     ca->CopyLowPassToReference();
   }
+  RETURN_ON_ERR(noise_suppression_->AnalyzeCaptureAudio(ca));
   RETURN_ON_ERR(noise_suppression_->ProcessCaptureAudio(ca));
   RETURN_ON_ERR(echo_control_mobile_->ProcessCaptureAudio(ca));
   RETURN_ON_ERR(voice_detection_->ProcessCaptureAudio(ca));