BUG=libyuv:686
TESTED=untested

Change-Id: Idfae93349dd78b1b633a596631e5397e11b77d0b
Reviewed-on: https://chromium-review.googlesource.com/448320Reviewed-by: Frank Barchard <fbarchard@google.com>
Reviewed-by: Henrik Kjellander <kjellander@chromium.org>
Commit-Queue: Frank Barchard <fbarchard@google.com>