Vertex format information is useful for querying format properties
with the new vertex translation logic with dynamic shaders.

Change-Id: I1935c75f1e3920dc1d4a364a2d6968c82692e476
Reviewed-on: https://chromium-review.googlesource.com/184520Reviewed-by: Geoff Lang <geofflang@chromium.org>
Tested-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Nicolas Capens <nicolascapens@chromium.org>