Also ensure correct paramter ordering: bias is always after offset.
Bug: tint:1351
Change-Id: I41ee66b86cd9d912f3857e5377b660c50d035c6e
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/73720
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: James Price <jrprice@google.com>
Commit-Queue: Stephen White <senorblanco@chromium.org>