On Intel these were seeingly missing or erroneous.

BUG=angleproject:1389
BUG=angleproject:1459

Change-Id: I4410407ce1171f420b275c7662896f5b26a949c2
Reviewed-on: https://chromium-review.googlesource.com/395168Reviewed-by: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>