Enables a bunch of dEQP tests in the functional.fbo.render.* namespace.

Bug: angleproject:2597
Change-Id: I1a06b335d5daf2987df52c460903081860887ce9
Reviewed-on: https://chromium-review.googlesource.com/1097596
Commit-Queue: Luc Ferron <lucferron@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>