Revert "Disable system_health.common_desktop/multitab on Win 10"

This reverts commit 5a14fdf87276e7460ccd4d18a5eba301514bd3ad.

Reason for revert: Root cause may have been fixed by:
https://chromium-review.googlesource.com/c/chromium/src/+/1359304

Original change's description:
> Disable system_health.common_desktop/multitab on Win 10
> 
> NOTRY=true
> 
> Bug: 911214
> Change-Id: Ia853c50260f4a46835818ef4b364b4ee97091244
> Reviewed-on: https://chromium-review.googlesource.com/c/1367109
> Reviewed-by: Caleb Rouleau <crouleau@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#614566}

TBR=sullivan@chromium.org,tdresser@chromium.org,charliea@chromium.org,crouleau@chromium.org

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

TBR=nednguyen@google.com
NOTRY=true
Bug: 911214

Change-Id: I0835b698da2cb3f2aec50d12305ef23ed9842295
Reviewed-on: https://chromium-review.googlesource.com/c/1369793
Reviewed-by: Juan Antonio Navarro Pérez <perezju@chromium.org>
Commit-Queue: Juan Antonio Navarro Pérez <perezju@chromium.org>
Cr-Commit-Position: refs/heads/master@{#615092}
1 file changed