Replace some more HLSL hardcoded unique id tests suffix with regex

Bug: angleproject:3551
Change-Id: I4ed54092f9b2dda27702ba9412959ec3fb93a455
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1677408
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>