[telemetry] Sort imports in Telemetry and its dependents.

tools/perf/measurements/smoothness_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.
 import sys
 
-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.page import page_test
+from telemetry.timeline.model import TimelineModel
 from telemetry.timeline import trace_data as trace_data_module
-from telemetry.timeline.model import TimelineModel
-from telemetry.page import page_test
-from telemetry.page.actions import action_runner
 from telemetry.value import list_of_scalar_values
 from telemetry.value import scalar
 from telemetry.value import trace
+from telemetry.web_perf.metrics import smoothness
 from telemetry.web_perf import timeline_interaction_record as tir_module
-from telemetry.web_perf.metrics import smoothness
+
+from measurements import smooth_gesture_util
 
 
 RUN_SMOOTH_ACTIONS = 'RunSmoothAllActions'
 
 
 class SmoothnessController(object):
   def __init__(self):
     self._timeline_model = None
     self._trace_data = None
     self._interaction = None
@@ skipping 65 matching lines @@
     # Create an interaction_record for this legacy measurement. Since we don't
     # wrap the results that are sent to smoothness metric, the label will
     # not be used.
     smoothness_metric = smoothness.SmoothnessMetric()
     smoothness_metric.AddResults(
         self._timeline_model, renderer_thread, smooth_records, results)
 
   def CleanUp(self, tab):
     if tab.browser.platform.tracing_controller.is_tracing_running:
       tab.browser.platform.tracing_controller.Stop()