ref: c2b5a393451b59d444884b6e7fee2de51e8ab8e2
parent: 575a083bcc74b8768924da0a823637b9b44f7393
author: Dmitry Kovalev <dkovalev@google.com>
date: Wed Jan 15 13:25:05 EST 2014
Removing duplicated SAD calculation code. Change-Id: I8d693371a29103769d5bed9d5f9cfe4f58ca3189