rutabaga_gfx: add stream_renderer_vulkan_info
rutabaga_gfx: add stream_renderer_vulkan_info

The exact internals of the API may change though.  For example,
using a device UUID is a less error-prone than using physical
device index.

However, this is sufficient to get gfxstream external memory on
atleast some platforms.

BUG=b:235485545
TEST=compile and run ./deqp-vk with kFeature_ExternalBlob enabled

Change-Id: I10d2aaecfbcd61f383dd326184e60942755db196
Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3864029
Reviewed-by: Daniel Verkamp <72bc170b46ec491f7bdd4359a1c0bfed274de40c@chromium.org>
Reviewed-by: Idan Raiter <39d44ee1f9eb22b80eda08034569d4012456b309@google.com>
Commit-Queue: Gurchetan Singh <99434bba058e25b6203b8ae055a4f697dad0ef64@chromium.org>
Tested-by: Gurchetan Singh <99434bba058e25b6203b8ae055a4f697dad0ef64@chromium.org>

google/crosvm,google/crosvm,google/crosvm,google/crosvm