[telemetry] Sort imports in Telemetry and its dependents.

tools/perf/measurements/timeline_controller.py

 # Copyright 2014 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 measurements import smooth_gesture_util
 
 from telemetry.core.platform import tracing_category_filter
 from telemetry.core.platform import tracing_options
+from telemetry.page.actions import action_runner
 from telemetry.timeline.model import TimelineModel
-from telemetry.page.actions import action_runner
 from telemetry.value import trace
 from telemetry.web_perf import timeline_interaction_record as tir_module
 
+from measurements import smooth_gesture_util
+
 
 RUN_SMOOTH_ACTIONS = 'RunSmoothAllActions'
 
 
 class TimelineController(object):
   def __init__(self):
     super(TimelineController, self).__init__()
     self.trace_categories = None
     self._model = None
     self._renderer_process = None
@@ skipping 66 matching lines @@
   def model(self):
     return self._model
 
   @property
   def renderer_process(self):
     return self._renderer_process
 
   @property
   def smooth_records(self):
     return self._smooth_records