[Telemetry] Reorganize everything.

tools/perf/perf_tools/smoothness_benchmark.py

 # Copyright (c) 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.
 from perf_tools import smoothness_measurement
-from telemetry import multi_page_benchmark
-from telemetry import util
+from telemetry.core import util
+from telemetry.page import multi_page_benchmark
 
 class DidNotScrollException(multi_page_benchmark.MeasurementFailure):
   def __init__(self):
     super(DidNotScrollException, self).__init__('Page did not scroll')
 
 def DivideIfPossibleOrZero(numerator, denominator):
   if denominator == 0:
     return 0
   return numerator / denominator
 
@@ skipping 176 matching lines @@
 
     CalcFirstPaintTimeResults(results, tab)
     CalcScrollResults(rendering_stats_deltas, results)
     CalcPaintingResults(rendering_stats_deltas, results)
     CalcTextureUploadResults(rendering_stats_deltas, results)
     CalcImageDecodingResults(rendering_stats_deltas, results)
 
     if self.options.report_all_results:
       for k, v in rendering_stats_deltas.iteritems():
         results.Add(k, '', v)