The workaround which was previously defined to only apply on load
also seems to affect save on some AMD drivers.

BUG=angleproject:1637
BUG=angleproject:1897

Change-Id: Ia01a1420a484f3c2682ce97eaab18baccfb66a50
Reviewed-on: https://chromium-review.googlesource.com/558008Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>