Run trace tests against Vulkan Mock ICD. Required an upstream fix: https://github.com/KhronosGroup/Vulkan-Tools/pull/437 Also a workaround filed as an issue: https://github.com/KhronosGroup/Vulkan-Tools/issues/445 Bug: angleproject:4950 Change-Id: I21333464d2a8e52d5d85d35654f0e6372f9650db Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2358517 Reviewed-by: Tobin Ehlis <tobine@google.com> Reviewed-by: Cody Northrop <cnorthrop@google.com> Commit-Queue: Jamie Madill <jmadill@chromium.org>