Vulkan: Enable dEQP point limit raster test. This requires enabling a workaround in the ANGLE shader translator to clamp the point size. Bug: angleproject:2599 Change-Id: I3171bdca5dd2e5af965e94ee2a955f46f8d706da Reviewed-on: https://chromium-review.googlesource.com/c/1412235 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>