Enable some tests on Intel Windows Vulkan The tests IndexBufferOffsetTest.UInt16Index and StateChangeTest. VertexBufferUpdatedAfterDraw can pass 26.20.100.8141 now. Bug: angleproject:2663 Bug: angleproject:2664 Change-Id: I0324767f5c538879d865cf12304da4625d49bd81 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1166598 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>