This should highlight problems with array buffer state changes even
more than the single attribute test.

Bug: angleproject:3014
Change-Id: I7f42ddb48f0f794fa279b81c8378dab8dc9db489
Reviewed-on: https://chromium-review.googlesource.com/c/1413788
Commit-Queue: Jamie Madill <jmadill@google.com>
Reviewed-by: Geoff Lang <geofflang@chromium.org>