Images for YUV-format AHBs will have VK_FORMAT_UNDEFINED in
their VkImageCreateInfo->format and will have a
VkExternalFormatANDROID with externalFormat containing the
AHARDWAREBUFFER_FORMAT_*. Translate this AHB_FORMAT_* back to
VK_FORMAT_* during image and image view creation.

Bug: b/175132241
Test: launch Cuttlefish w/ SwANGLE and open Camera
Change-Id: If2e6cd88d6e8f35fe972bd1a5873ed16b0c95b39
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/51049
Presubmit-Ready: Jason Macnak <natsu@google.com>
Kokoro-Result: kokoro <noreply+kokoro@google.com>
Tested-by: Jason Macnak <natsu@google.com>
Commit-Queue: Jason Macnak <natsu@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>