Vulkan: Enable a few BufferDataTests. These are already passing. Bug: angleproject:2644 Change-Id: Iac3452547e319a709e010431eb8a45f5523bb5f7 Reviewed-on: https://chromium-review.googlesource.com/1235653 Reviewed-by: Yuly Novikov <ynovikov@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>