This bug was incorrectly causing the Async Queue configs to be
classified as the same as ordinary Vulkan configs.

This bug did not affect test grouping in the test runner.
It did affect how we enable/disable configs.

Bug: b/172704839
Change-Id: Ibf6f04fc1a719464201f77884b2a0b3ab1fab78c
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2533813Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>