BUG=960620, libyuv:845, b/129864744

Change-Id: I9f80cda3be8e13298c596fac514f65a23a38d3d0
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/1900310Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>