Add file record and play functions to voe_cmd_test, fix Play local file (path was incorrect) Fixed: 	24. Play local file (audio_long16.pcm)  New: 	34. Record a PCM file  	35. Play a previously recorded PCM file locally  	36. Play a previously recorded PCM file as microphone  Review URL: http://webrtc-codereview.appspot.com/209001
Add file record and play functions to voe_cmd_test, fix Play local file (path was incorrect)
Fixed:
	24. Play local file (audio_long16.pcm) 
New:
	34. Record a PCM file 
	35. Play a previously recorded PCM file locally 
	36. Play a previously recorded PCM file as microphone 
Review URL: http://webrtc-codereview.appspot.com/209001

git-svn-id: 9b397c5dfe384c04b1b200d5305b653241000171@729 4adac7df-926f-26a2-2b94-8c16560cd09d

lukeweber/webrtc-src-override,lukeweber/webrtc-src-override,lukeweber/webrtc-src-override,lukeweber/webrtc-src-override,lukeweber/webrtc-src-override,lukeweber/webrtc-src-override,lukeweber/webrtc-src-override