That's what it's called by the Vulkan spec.

Fixes: b/29203875
Change-Id: Id5049147692b0c845b1bb7afeb8ff5fa94c25773
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/40114
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Tested-by: Nicolas Capens <nicolascapens@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>