- Fixes all deqp functional_fragment_ops_depth_stencil_* with Y flipping enabled.

Bug: angleproject:2673
Change-Id: I94a4225dec8adf9113309e8b8b2c8aa61f6a2bb9
Reviewed-on: https://chromium-review.googlesource.com/1129857
Commit-Queue: Luc Ferron <lucferron@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>