GitLab

This reverts commit 15af2fe9.

Reason for revert: Tests should no longer be flaky after https://chromium.googlesource.com/chromium/src.git/+/9cc2312030ea55160dd559fff630689b7165a472

Original change's description:
> Disable some flaky thread pool/group tests on Windows.
> 
> 
> BUG:1064953
> TBR=etiennep@chromium.org
> 
> Change-Id: Ibcb1f4c184045cc429d733e78f05ff892ca1a018
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2121380
> Reviewed-by: Tim Schumann <tschumann@chromium.org>
> Commit-Queue: Tim Schumann <tschumann@chromium.org>
> Auto-Submit: Tim Schumann <tschumann@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#753630}

TBR=tschumann@chromium.org,etiennep@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Change-Id: I6b6a2aa37eb373bf5a981b9b5ba3fab362a09637
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2127490Reviewed-by: Etienne Pierre-Doray <etiennep@chromium.org>
Commit-Queue: Etienne Pierre-Doray <etiennep@chromium.org>
Cr-Commit-Position: refs/heads/master@{#754510}