This is caught in the Skia build.

Bug: skia:7647
Change-Id: I9b164f6fcc55b7e13981659ee8a08766a99a2122
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2381084
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>