[perf] Change google.com to google.co.uk in top_10_mobile_memory and dual_browser page sets.

tools/perf/page_sets/dual_browser_story.py

 # Copyright 2016 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 collections
 import logging
 import re
 import sys
 import urllib
 
 from telemetry import decorators
 from telemetry import story as story_module
 # TODO(perezju): Remove references to telementry.internal when
 # https://github.com/catapult-project/catapult/issues/2102 is resolved.
 from telemetry.internal.browser import browser_finder
 from telemetry.internal.browser import browser_finder_exceptions
 from telemetry.util import wpr_modes
 
 from page_sets.top_10_mobile import URL_LIST
 
 
-GOOGLE_SEARCH = 'https://www.google.com/search?'
+GOOGLE_SEARCH = 'https://www.google.co.uk/search?'
 
 SEARCH_QUERIES = [
   'science',
   'cat pictures',
   '1600 Amphitheatre Pkwy, Mountain View, CA',
   'tom hanks',
   'weather 94110',
   'goog',
   'population of california',
   'sfo jfk flights',
@@ skipping 225 matching lines @@
           url=GOOGLE_SEARCH + urllib.urlencode({'q': query}),
           browser_type='android-webview',
           phase='on_webview'))
 
       # Stories that run on the browser selected by command line options.
       self.AddStory(SinglePage(
           name=re.sub('\W+', '_', url),
           url=url,
           browser_type='default',
           phase='on_chrome'))