Revert 237667 "[Telemetry] Refactor common Android test harness ..."

trunk/src/build/android/pylib/utils/test_environment.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.
-
-import logging
-import os
-import psutil
-
-from pylib import android_commands
-from pylib import ports
-
-def _KillWebServers():
-  for retry in xrange(5):
-    for server in ['lighttpd', 'web-page-replay']:
-      pids = [p.pid for p in psutil.process_iter() if server in p.name]
-      for pid in pids:
-        try:
-          logging.warning('Killing %s %s', server, pid)
-          os.kill(pid, signal.SIGQUIT)
-        except Exception as e:
-          logging.warning('Failed killing %s %s %s', server, pid, e)
-
-
-def CleanupLeftoverProcesses():
-  """Clean up the test environment, restarting fresh adb and HTTP daemons."""
-  _KillWebServers()
-  did_restart_host_adb = False
-  for device in android_commands.GetAttachedDevices():
-    adb = android_commands.AndroidCommands(device)
-    # Make sure we restart the host adb server only once.
-    if not did_restart_host_adb:
-      adb.RestartAdbServer()
-      did_restart_host_adb = True
-    adb.RestartAdbdOnDevice()
-    adb.EnableAdbRoot()
-    adb.WaitForDevicePm()