Change uprev to False for Chrome pfq.

bin/cbuildbot_config.py

 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Dictionary of configuration types for cbuildbot.
 
 Each dictionary entry is in turn a dictionary of config_param->value.
 
 config_param's:
 board -- The board of the image to build.
@@ skipping 85 matching lines @@
   'uprev' : True,
   'rev_overlays': 'public',
   'push_overlays': 'public',
 })
 
 config['x86-generic-chrome-pre-flight-queue'] = default.copy()
 config['x86-generic-chrome-pre-flight-queue'].update({
   'board' : 'x86-generic',
   'master' : True,
 
-  'uprev' : True,
+  'uprev' : False,
   'rev_overlays': 'public',
   'push_overlays': 'public',
 })
 
 
 config['x86-mario-pre-flight-queue'] = default.copy()
 config['x86-mario-pre-flight-queue'].update({
   'board' : 'x86-mario',
   'master' : True,
 
@@ skipping 91 matching lines @@
 config['x86-pineview-full'].update({
   'board' : 'x86-pineview',
 })
 
 # TODO(dgarrett) delete when buildbot updated to use new names
 config['x86_agz_bin'] = config['x86-agz-bin']
 config['x86_dogfood_bin'] = config['x86-dogfood-bin']
 config['x86_pineview_bin'] = config['x86-pineview-bin']
 config['arm_tegra2_bin'] = config['arm-tegra2-bin']
 config['arm_generic_bin'] = config['arm-generic-bin']