Vulkan: Enable dEQP a passing test in buffer.write Bug: angleproject:2580 Change-Id: I74ab2dec41400781c7236e08f008e2240386c80e Reviewed-on: https://chromium-review.googlesource.com/1117911 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Luc Ferron <lucferron@chromium.org>