[telemetry] Sort imports in Telemetry and its dependents.

tools/perf/benchmarks/rasterize_and_record_micro.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 benchmark
+
 from measurements import rasterize_and_record_micro
 import page_sets
-from telemetry import benchmark
 
 
 class _RasterizeAndRecordMicro(benchmark.Benchmark):
   @classmethod
   def AddBenchmarkCommandLineArgs(cls, parser):
     parser.add_option('--start-wait-time', type='float',
                       default=2,
                       help='Wait time before the benchmark is started '
                       '(must be long enought to load all content)')
     parser.add_option('--rasterize-repeat', type='int',
@@ skipping 85 matching lines @@
   """Measures rasterize and record performance on the Polymer cases.
 
   http://www.chromium.org/developers/design-documents/rendering-benchmarks"""
 
   @classmethod
   def Name(cls):
     return 'rasterize_and_record_micro.polymer'
 
   def CreatePageSet(self, options):
     return page_sets.PolymerPageSet(run_no_page_interactions=True)