[telemetry] Sort imports in Telemetry and its dependents.

tools/perf/benchmarks/kraken.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 Mozilla's Kraken JavaScript 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 list_of_scalar_values
 from telemetry.value import scalar
 
+from metrics import power
+
+
 DESCRIPTIONS = {
     'ai-astar':
         'This benchmark uses the [A* search algorithm]'
         '(http://en.wikipedia.org/wiki/A*_search_algorithm) to automatically '
         'plot an efficient path between two points, in the presence of '
         'obstacles. Adapted from code by [Brian Gringstead]'
         '(http://www.briangrinstead.com/blog/astar-search-algorithm-in-'
         'javascript).',
     'audio-beat-detection':
         'This benchmark performs [beat detection]'
@@ skipping 97 matching lines @@
 
   def CreatePageSet(self, options):
     ps = page_set.PageSet(
       archive_data_file='../page_sets/data/kraken.json',
       file_path=os.path.abspath(__file__),
       bucket=page_set.PARTNER_BUCKET)
     ps.AddUserStory(page_module.Page(
         'http://krakenbenchmark.mozilla.org/kraken-1.1/driver.html',
         ps, ps.base_dir))
     return ps