All relevant tests pass, so no longer conditioned to
exposeNonConformantExtensionsAndVersions.

Bug: angleproject:3580
Change-Id: I9b398bd962831fabf0ec39ad9aad3b200717d087
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2636687Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>