Add additional checks when creating vulkan context

Makes sure we get the phsyical devices and queues we expect

Bug: skia:
Change-Id: I13031caa8aa85d680a8e921bee3237d6b53cebf0
Reviewed-on: https://skia-review.googlesource.com/14523
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
1 file changed