ADM no longer reads PCM files from data/audio_device. Now uses the resource folder instead. BUG=737 Review URL: https://webrtc-codereview.appspot.com/714012 git-svn-id: http://webrtc.googlecode.com/svn/trunk/data@2643 4adac7df-926f-26a2-2b94-8c16560cd09d