This hasn't been updated in a while, so there are many changes.
It should also include better validation for memory barriers.

Also includes updated builds for SPIRV Tools and glslang.
A few pull requests need to land before landing this in ANGLE.

This intermediate step rolls Vulkan again to include upstream
fixes to the layers so they no longer need to copy the parameter
validation headers to the current working directory also includes
fixes for the GCC build.

Bug: angleproject:2237
Change-Id: I50deb70e43be36f7470c9fc2262b6da5bab39c3a
Reviewed-on: https://chromium-review.googlesource.com/834230Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>