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This CL enables all Vulkan viz_unittests except for video tests but
excludes configuration that failed in my previous attempt. As the fixes
roll in, I will enable more configurations.

Bug: 960795
Change-Id: Iddb7b7728a65622f4669672eff90d242d7f378f6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1635550Reviewed-by: Jonathan Backer <backer@chromium.org>
Commit-Queue: Saman Sami <samans@chromium.org>
Cr-Commit-Position: refs/heads/master@{#664341}