Restructuring and adding dummy unit test target.
Empty test added to get code coverage recorded.

Review URL: http://webrtc-codereview.appspot.com/282001

git-svn-id: http://webrtc.googlecode.com/svn/trunk@964 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/Android.mk b/Android.mk
index 9badb7e..03c5410 100644
--- a/Android.mk
+++ b/Android.mk
@@ -13,7 +13,7 @@
 include $(MY_WEBRTC_ROOT_PATH)/src/common_audio/signal_processing/Android.mk
 include $(MY_WEBRTC_ROOT_PATH)/src/common_audio/vad/Android.mk
 include $(MY_WEBRTC_ROOT_PATH)/src/modules/audio_coding/neteq/Android.mk
-include $(MY_WEBRTC_ROOT_PATH)/src/modules/audio_coding/codecs/CNG/main/source/Android.mk
+include $(MY_WEBRTC_ROOT_PATH)/src/modules/audio_coding/codecs/cng/Android.mk
 include $(MY_WEBRTC_ROOT_PATH)/src/modules/audio_coding/codecs/G711/main/source/Android.mk
 include $(MY_WEBRTC_ROOT_PATH)/src/modules/audio_coding/codecs/G722/main/source/Android.mk
 include $(MY_WEBRTC_ROOT_PATH)/src/modules/audio_coding/codecs/PCM16B/main/source/Android.mk