Wire up Beamformer in AudioProcessing

R=andrew@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/38449004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7969 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/modules/audio_processing/audio_processing.gypi b/webrtc/modules/audio_processing/audio_processing.gypi
index a2c26a3..af6a7ed 100644
--- a/webrtc/modules/audio_processing/audio_processing.gypi
+++ b/webrtc/modules/audio_processing/audio_processing.gypi
@@ -180,6 +180,7 @@
           ],
         }],
         ['rtc_use_openmax_dl==1', {
+          'defines': ['WEBRTC_BEAMFORMER'],
           'sources': [
             'beamformer/beamformer.cc',
             'beamformer/beamformer.h',