Removed CPU APIs from VoEHardware. Code is now only used by test applications.

Recommitting https://code.google.com/p/webrtc/source/detail?r=3736 after fixing build break.

BUG=8404677
TBR=andrew@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/1269004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@3739 4adac7df-926f-26a2-2b94-8c16560cd09d
24 files changed