run_code_generation.py stopped working, likely as a result of the big Vulkan repo reorganization.
I fixed a path, regenerated everything (by temporarily hacking the script so it thought everything
was dirty), and nothing changed except one comment.

BUG=angleproject:2558

Change-Id: I5ac4c040ac1ec207098172303cc2f2507cccdecb
Reviewed-on: https://chromium-review.googlesource.com/1103281Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Tobin Ehlis <tobine@google.com>