[Sheriff] Disable flaky test ProcessTests

Disable ProcessTest.SetProcessBackgroundedSelf and
ProcessTest.SetProcessBackgrounded on Windows.

Bug: 931721
TBR=fdoray@chromium.org

Change-Id: Ie5b2882c1d9d39ba5527d610c2a56223e01e74ed
Reviewed-on: https://chromium-review.googlesource.com/c/1470996
Reviewed-by: Devlin <rdevlin.cronin@chromium.org>
Commit-Queue: Devlin <rdevlin.cronin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#631862}
1 file changed