Revert of [Telemetry] Enable the measurement smoke test on android.

tools/perf/benchmarks/tab_switching.py

 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+from telemetry import test
+
 from measurements import tab_switching
-from telemetry import test
 
 
 class TabSwitchingTop10(test.Test):
   test = tab_switching.TabSwitching
   page_set = 'page_sets/top_10.py'
 
 class TabSwitchingFiveBlankTabs(test.Test):
   test = tab_switching.TabSwitching
   page_set = 'page_sets/five_blank_pages.py'
   options = {'pageset_repeat': 10}
 
-@test.Disabled('android')
 class TabSwitchingToughEnergyCases(test.Test):
   test = tab_switching.TabSwitching
   page_set = 'page_sets/tough_energy_cases.py'
   options = {'pageset_repeat': 10}