Implement RenderPassDrawQuad fuzzing.

This CL introduces RenderPassDrawQuads to the fuzzable quad types. It
does not yet fuzz masks/filters.

R=kylechar@chromium.org, riajiang@chromium.org

Bug: 923088
Change-Id: Ia3c8331c3c8093aff5842d4d23ad6338c1a8897c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1566363
Commit-Queue: Céline O'Neil <celineo@google.com>
Reviewed-by: kylechar <kylechar@chromium.org>
Reviewed-by: Ria Jiang <riajiang@chromium.org>
Auto-Submit: Céline O'Neil <celineo@google.com>
Cr-Commit-Position: refs/heads/master@{#654133}
6 files changed