[telemetry] Add run_benchmark benchmarks for everything that runs on the bots.

tools/perf/benchmarks/netsim_top25.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 test
-
-from measurements import page_cycler
-
-
-class NetsimTop25(test.Test):
-  """Measures load time of the top 25 sites under simulated cable network."""
-  test = page_cycler.PageCycler
-  page_set = 'tools/perf/page_sets/top_25.json'
-  options = {
-    'extra_wpr_args': [
-      '--shaping_type=proxy',
-      '--net=cable'
-      ],
-    'pageset_repeat': '5',
-    }
-
-  def __init__(self):
-    super(NetsimTop25, self).__init__()
-    self.test.clear_cache_before_each_run = True