Finish switching GPU tests args to mixins

This CL finishes the conversion of GPU integration test args being
specified through mixins rather than individually on each test.

There are a couple tests where tests have real differences in their
args. Leave these as is since it needs investigation to see if all the
differences are intended.

Bug: 391899126
Change-Id: I8bc0de0d41d093a6e297f62f05032398c5a0682c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6230017
Reviewed-by: Brian Sheedy <bsheedy@chromium.org>
Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Commit-Queue: Kyle Charbonneau <kylechar@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1416960}