This CL adds support for checking if the status is InternalError
on deqp when run on regres. This CL also adds support for running
deqp-vk with --deqp-validation=enabled if needed. The status for
validation errors is InternalError.

Bug: b/181718332
Change-Id: I63196f6f6fb244551be8ed03cce7ed79be95ea38
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/53268Tested-by: Venni Ihanakangas <venni.ihanakangas@siru.fi>
Reviewed-by: Paul Thomson <paulthomson@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro-Result: kokoro <noreply+kokoro@google.com>
Commit-Queue: Venni Ihanakangas <venni.ihanakangas@siru.fi>