AMD drivers that have trouble clearing textures have been
blocklisted by Chromium.

Since Intel and NVidia drivers were already been allowed to
clear for robust resource init, we're good to enable it for all IHVs.

Bug: angleproject:4460
Change-Id: If71d01a91806ffc0a78c30f0cc393e105a6c9c74
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2204698Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Rafael Cintron <rafael.cintron@microsoft.com>