BUG=angleproject:4185

Change-Id: I236d4372ab22e9083d00cf13fa2ad682a1d42f14
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1947447Reviewed-by: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Geoff Lang <geofflang@chromium.org>