[Telemetry] Reorganize everything.

tools/telemetry/telemetry/options_for_unittests.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.
-
-"""This module provides the global variable options_for_unittests.
-
-This is set to a BrowserOptions object by the test harness, or None
-if unit tests are not running.
-
-This allows multiple unit tests to use a specific
-browser, in face of multiple options."""
-_options = None
-_browser_type = None
-def Set(options, browser_type):
-  global _options
-  global _browser_type
-
-  _options = options
-  _browser_type = browser_type
-
-def GetCopy():
-  if not _options:
-    return None
-
-  return _options.Copy()
-
-def AreSet():
-  if _options:
-    return True
-  return False
-
-def GetBrowserType():
-  return _browser_type