Disable tests on more Vulkan bots

Bug: skia:8659, skia:7959
Change-Id: I952f7b3d91be4e1952045d291bcf97c217208da9
Reviewed-on: https://skia-review.googlesource.com/c/194380
Reviewed-by: Robert Phillips <robertphillips@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>
3 files changed