Revert "[go/perfbot-sheriff] disable a memory.desktop story."

This reverts commit da3002fbd1676de0a6590044a675fe24e8a88024.

Reason for revert: Relanding after https://chromium-review.googlesource.com/c/chromium/src/+/1626991 which should fix the test.

Original change's description:
> [go/perfbot-sheriff] disable a memory.desktop story.
> 
> TBR=perezju@chromium.org
> 
> Bug: 965066
> Change-Id: Ie2c498aeec8d96f14402a99e7984817eaedec9c2
> NOTRY: True
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1620125
> Reviewed-by: Caleb Rouleau <crouleau@chromium.org>
> Commit-Queue: Caleb Rouleau <crouleau@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#661396}

TBR=perezju@chromium.org,crouleau@chromium.org

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

Bug: 965066
Change-Id: Id650e8d0296a63eacdf2870a1b258177669ffd15
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1628009
Reviewed-by: oysteine <oysteine@chromium.org>
Commit-Queue: oysteine <oysteine@chromium.org>
Cr-Commit-Position: refs/heads/master@{#663179}
1 file changed