ServiceWorker: Disable ServiceWorkerMicroBenchmarkPerfTest

many-registration.html is failing due to out-of-memory error.

BUG=430232
TBR=dtu@chromium.org

Review URL: https://codereview.chromium.org/704693002

Cr-Commit-Position: refs/heads/master@{#302751}

tools/perf/benchmarks/service_worker.py

@@ -180,7 +180,8 @@ class ServiceWorkerPerfTest(benchmark.Benchmark):
   page_set = page_sets.ServiceWorkerPageSet
 
 
-@benchmark.Enabled('android')
+# FIXME(nhiroki): Temporary disable the benchmark (http://crbug.com/430232).
+@benchmark.Disabled
 class ServiceWorkerMicroBenchmarkPerfTest(benchmark.Benchmark):
   """Service Worker performance test using a micro benchmark page set"""
   test = _ServiceWorkerMicroBenchmarkMeasurement