BUG=libyuv:432
TESTED=local windows build with chromium_code =1
R=bcornell@google.com

Review URL: https://webrtc-codereview.appspot.com/49849004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1385 16f28f9a-4ce2-e073-06de-1de4eb20be90