BUG=libyuv:833

Change-Id: I9b6653e9c304b4e0805b7d3c8408ce57009c8559
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/1740682Reviewed-by: Hirokazu Honda <hiroh@chromium.org>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>