Suppress flaky test on Intel D3D Windows. PointSpritesTest.PointWithoutAttributesCompliance: https://build.chromium.org/p/chromium.gpu.fyi/builders/Win7%20Debug%20%28New%20Intel%29/builds/1741 Showing as failed now that flaky tests are not retried. BUG=angleproject:1346 Change-Id: Ic0fce361f37394da8771fa82288b0a9206d3a347 Reviewed-on: https://chromium-review.googlesource.com/415448 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>