ref: a2517555007044381c8fdae9c85551d0da43ffdd
parent: 2bfbe9a88624e81e78fd9eaedf0a6384225d432c
parent: 21a0dade42c4eef9398c6312c14d60f3cbf14431
author: Marco <marpan@google.com>
date: Fri Aug 15 03:57:48 EDT 2014
Merge "vp8: Modify to use closest reference in zero_mv bias."