This was causing a build break on ChromeOS builers and brekaing the
ANGLE roll into Chromium.

Bug: chromium:1129075
Bug: angleproject:3943
Change-Id: Ic7976c0b506f5af67823da8de1f8c850e43abee0
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2415169Reviewed-by: Jamie Madill <jmadill@chromium.org>