[telemetry] Sort imports in Telemetry and its dependents.

tools/perf/benchmarks/robohornet_pro.py

 # Copyright 2012 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.
 
 """Runs Microsoft's RoboHornet Pro benchmark."""
 
 import os
 
-from metrics import power
 from telemetry import benchmark
 from telemetry import page as page_module
 from telemetry.page import page_set
 from telemetry.page import page_test
 from telemetry.value import scalar
 
+from metrics import power
+
 
 class _RobohornetProMeasurement(page_test.PageTest):
   def __init__(self):
     super(_RobohornetProMeasurement, self).__init__()
     self._power_metric = None
 
   def CustomizeBrowserOptions(self, options):
     power.PowerMetric.CustomizeBrowserOptions(options)
 
   def WillStartBrowser(self, platform):
@@ skipping 35 matching lines @@
     ps = page_set.PageSet(
         archive_data_file='../page_sets/data/robohornet_pro.json',
         file_path=os.path.abspath(__file__),
         bucket=page_set.PARTNER_BUCKET)
     ps.AddUserStory(page_module.Page(
         'http://ie.microsoft.com/testdrive/performance/robohornetpro/',
         ps, ps.base_dir,
         # Measurement require use of real Date.now() for measurement.
         make_javascript_deterministic=False))
     return ps