This will make all the dEQP tests no longer return "not supported"
when trying to do any depth/stencil work.

With this comes a bunch of new tests suppressions to be able to proceed
forward.

Bug: angleproject:2425
Bug: angleproject:2426
Bug: angleproject:2427
Bug: angleproject:2428
Bug: angleproject:2429

Change-Id: I923026bb29c4ed1f4586b89176eea848fd2ceb71
Reviewed-on: https://chromium-review.googlesource.com/976339
Commit-Queue: Luc Ferron <lucferron@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>