Roll Vulkan repos fwd as of 7/17 Update Vulkan Layers/Loader/Header to latest versions as of 7/17. This includes additional validation checks related to vertex attributes that will be useful to have in ANGLE. Bug: angleproject:2736 Change-Id: I7c5b07c73be8958cb9f8783fd9dd7a51e1f82caa Reviewed-on: https://chromium-review.googlesource.com/1141081 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>