D3D11: Suppress basic line XFB dEQP tests. These appear to be somewhat flaky on Windows. Bug: angleproject:2676 Change-Id: I62a6ccce9a6c7f1dcaacc7d09c7e01b69a7652bb Reviewed-on: https://chromium-review.googlesource.com/1106654 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>