*re-land with fix for matrix attributes*
*re-re-land with fix for attributes with BindAttribLocation*

Using the new vertex format type enum, we can shrink the size
of the input layout tables and reduce draw call overhead
further.

BUG=angleproject:959

Change-Id: I181acd3d7d519f5587cbe180fb1bca8530b7cfc2
Reviewed-on: https://chromium-review.googlesource.com/285348Reviewed-by: Geoff Lang <geofflang@chromium.org>
Tested-by: Jamie Madill <jmadill@chromium.org>