These decorations are used for all explicit layout storage classes --
Uniform, StorageBuffer, PushConstant.

Bug: b/120799499
Change-Id: Ida7ee6e2a5145d09792acf39b6e33d039431578b
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/26489Reviewed-by: Ben Clayton <bclayton@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Tested-by: Chris Forbes <chrisforbes@google.com>
Presubmit-Ready: Chris Forbes <chrisforbes@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>