Add boilerplate code for vulkan unit tests

Vulkan unit tests require a basic vulkan application to run. This adds
the boilerplate code for a simple vulkan application.

Bug: 388189326
Flag: EXEMPT test
Test: atest libvulkan_test
Change-Id: I59e2240b4c34b39af9b7f5927cb23f0926e4cf8a
3 files changed