No behavior changes.

BUG=chromium:964411

Change-Id: I843757e65f110882c01514fe6bf4aed28e07dd21
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1617011
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>