[tools/perf] Disable flaky testWorkerPoolRun

TBR=crouleau@chromium.org

Bug: 939777
Change-Id: Ia9b491d0366aacaf632413bf665d8983b3cbaf1d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1511363
Reviewed-by: Juan Antonio Navarro Pérez <perezju@chromium.org>
Commit-Queue: Juan Antonio Navarro Pérez <perezju@chromium.org>
Cr-Commit-Position: refs/heads/master@{#639084}
1 file changed