This allows Chromium to avoid initializing a whole bunch of resources
and a shader when it collects GPU information. This should speed up
startup.

BUG=angleproject:1014

Change-Id: Id1e777c6ea86d66ad812540f9d8494744cda64de
Reviewed-on: https://chromium-review.googlesource.com/282553Tested-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Brandon Jones <bajones@chromium.org>
Reviewed-by: Zhenyao Mo <zmo@chromium.org>