This will help ensure we don't break these configs.

Bug: b/159633249
Change-Id: Ida7074a649c10a1a5b35ce82b4f8438b65bdb3eb
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/45970
Kokoro-Result: kokoro <noreply+kokoro@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Tested-by: Antonio Maiorano <amaiorano@google.com>