Adding new parameters for extension without adding any real code change. Since no new code paths were added, we expect all tests to pass as before.

Bug: angleproject:980428
Change-Id: I551b46a66f422eabd357fd021e00cf266a991efb
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1772377
Commit-Queue: Rafael Cintron <rafael.cintron@microsoft.com>
Reviewed-by: Rafael Cintron <rafael.cintron@microsoft.com>
Reviewed-by: Geoff Lang <geofflang@chromium.org>