ref: 3e0138edb72b2ef1a77d4b636d7c60f74a7abab9
parent: 4993158ee5120b05dfee5cba23d45369c97b7df6
author: James Zern <jzern@google.com>
date: Wed Nov 18 18:17:27 EST 2015
vp9_satd: return an int the final sum may use up to 26 bits + add a unit test + disable the sse2 as the result will rollover; this will be fixed in a future commit Change-Id: I2a49811dfaa06abfd9fa1e1e65ed7cd68e4c97ce