This was likely fixed with default vertex attribute support.

Bug: angleproject:2650
Change-Id: Ibbc19013ed8227c6fe32ae186b0fa88e5c837589
Reviewed-on: https://chromium-review.googlesource.com/1200369Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>