The failed DrawCoverageAndResolve can pass on 26.20.100.7323 now.

Bug: angleproject:3855
Change-Id: Ia6eb9fef2a57f0bdf52cb2e45c138457f5de88aa
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2096230Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jie A Chen <jie.a.chen@intel.com>