Blacklist fontregen on IntelIris655-Vulkan

Bug: skia:8659
Change-Id: I48645518b16a1e467832c192aebb97c9ba9762e8
Reviewed-on: https://skia-review.googlesource.com/c/194192
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>
2 files changed