Validate that vertex shader input matches the vertex attribute types. BUG=angleproject:2012 TEST=conformance2/rendering/attrib-type-match Change-Id: Ic282e0933a5c3c377322dd484534fcc1dfcb3840 Reviewed-on: https://chromium-review.googlesource.com/517974 Commit-Queue: Geoff Lang <geofflang@chromium.org> Reviewed-by: Frank Henigman <fjhenigman@chromium.org>