Add chromeOnAndroid support to the buildbot annotated steps scripts.

tools/bots/bot.py

 #!/usr/bin/python
 
 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 """
 Shared code for use in the buildbot scripts.
 """
 
 import optparse
 import os
 from os.path import abspath
 from os.path import dirname
 import subprocess
 import sys
 
 DART_PATH = dirname(dirname(dirname(abspath(__file__))))
 
-NO_COLOR_ENV = dict(os.environ)
-NO_COLOR_ENV['TERM'] = 'nocolor'
-
 BUILDER_NAME = 'BUILDBOT_BUILDERNAME'
 BUILDER_CLOBBER = 'BUILDBOT_CLOBBER'
 
 
 class BuildInfo(object):
   """
   Encapsulation of build information.
 
   - compiler: None, 'dart2dart', 'dart2js' or 'dartc'.
   - runtime: 'd8', 'ie', 'ff', 'safari', 'chrome', 'opera', or None.
@@ skipping 189 matching lines @@
     RunProcess(cmd)
 
 
 def RunProcess(command):
   """
   Runs command.
 
   If a non-zero exit code is returned, raises an OSError with errno as the exit
   code.
   """
-  exit_code = subprocess.call(command, env=NO_COLOR_ENV)
+  no_color_env = dict(os.environ)
+  no_color_env['TERM'] = 'nocolor'
+
+  exit_code = subprocess.call(command, env=no_color_env)
   if exit_code != 0:
     raise OSError(exit_code)
 
 
 def GetStepName(name, flags):
   """
   Filters out flags with '=' as this breaks the /stats feature of the buildbot.
   """
   flags = [x for x in flags if not '=' in x]
   return ('%s tests %s' % (name, ' '.join(flags))).strip()