ref: ea48370a500537906d62544ca4ed75301d79e772
parent: 15939cb2d76c773950cda40988ede89e111872ea
parent: 022c848b4d04a2c1f56a54748eee503767269023
author: Alex Converse <aconverse@google.com>
date: Tue Jan 12 19:25:54 EST 2016
Merge "Change highbd variance rounding to prevent negative variance."