Revert r3743.
Revert r3743.

TBR=andrew@webrtc.org, stefan@webrtc.org
Review URL: https://webrtc-codereview.appspot.com/1272005

git-svn-id: 917f5d3ca488f358c4d40eaec14422cf392ccec9@3744 4adac7df-926f-26a2-2b94-8c16560cd09d

ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,mwgoldsmith/ilbc,mwgoldsmith/ilbc,mwgoldsmith/libilbc,mwgoldsmith/ilbc,TimothyGu/libilbc,mwgoldsmith/ilbc,TimothyGu/libilbc,mwgoldsmith/libilbc,mwgoldsmith/libilbc,mwgoldsmith/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,TimothyGu/libilbc