Merge "vulkan: check for unsupported extensions" into nyc-dev
am: a70a421

* commit 'a70a4214d85dec0d27e918c977dabd488a5c20e5':
  vulkan: check for unsupported extensions

Change-Id: I0ca1c2293e0a0878d2d38abe9c79499f4b364dda