Not tested by dEQP (and unlikely to be, as we don't want to force
drivers to break existing content by adding new negative coverage in
general) but this was wrong.

Bug: b/141916742
Test: dEQP-EGL.functional.image.api.create_image_*
Change-Id: I774d197a9c5c47447c97d212b41e4c33ad963474
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/36949Tested-by: Chris Forbes <chrisforbes@google.com>
Presubmit-Ready: Chris Forbes <chrisforbes@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>