Revert of [Telemetry] Re-enable page_cycler.typical_25 on windows. (patchset...

Revert of [Telemetry] Re-enable page_cycler.typical_25 on windows. (patchset #1 id:1 of https://codereview.chromium.org/534313002/)

Reason for revert:
Still failing

Original issue's description:
> [Telemetry] Re-enable page_cycler.typical_25 on windows.
>
> The underlying issue has been fixed.
>
> BUG=273986
> TBR=andrewhayden@chromium.org
>
> Committed: https://chromium.googlesource.com/chromium/src/+/f6d8edcc3dd0fb90b43ffb2524eecdf8983a38cd

TBR=andrewhayden@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=273986

Review URL: https://codereview.chromium.org/537093003

Cr-Commit-Position: refs/heads/master@{#293316}

tools/perf/benchmarks/page_cycler.py

@@ -105,8 +105,9 @@ class PageCyclerToughLayoutCases(benchmark.Benchmark):
   options = {'pageset_repeat': 10}
 
 
+# crbug.com/273986: This test is really flakey on xp.
 # cabug.com/341843: This test is always timing out on Android.
-@benchmark.Disabled('android')
+@benchmark.Disabled('android', 'win')
 class PageCyclerTypical25(benchmark.Benchmark):
   test = page_cycler.PageCycler
   page_set = page_sets.Typical25PageSet