Add new vulkan headers to third_party/vulkan.

Currently these headers are not used, but this is just prep for a future
change that will make skia build using these headers. The presubmit complains
about the formating of these headers so I want to land them separate from the
skia code that goes with them.

Bug: skia:
Change-Id: I97190f4af462a6b5391895ca941b3261a41615b5
Reviewed-on: https://skia-review.googlesource.com/143104
Reviewed-by: Robert Phillips <robertphillips@google.com>
8 files changed