[Telemetry] Fix JetStream disable line.

You cannot have two.

BUG=None
TBR=dtu@chromium.org
NOTRY=True

Review URL: https://codereview.chromium.org/322703002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@275710 0039d316-1c4b-4281-b951-d872f2087c98

tools/perf/benchmarks/jetstream.py

@@ -69,8 +69,7 @@ class _JetstreamMeasurement(page_measurement.PageMeasurement):
         scalar.ScalarValue(None, 'Score', 'score', total))
 
 
-@test.Disabled('android')  # Crashes on GN.
-@test.Disabled('xp')  # Crashes on Win XP. See crbug.com/381742 for an example.
+@test.Disabled('android', 'xp')  # crbug.com/381742
 class Jetstream(test.Test):
   test = _JetstreamMeasurement