Added --test_args parameter that passes its value as -a flag to autoserv.

src/scripts/autotest

 #!/usr/bin/python
 
 # 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.
 #
 # A python wrapper to call autotest ebuild.
 
 import commands, logging, optparse, os, subprocess, sys
 
@@ skipping 39 matching lines @@
   def print_help(self, file=None):
     optparse.OptionParser.print_help(self, file)
     MyOptionParser.help = True
 
 
 parser = MyOptionParser()
 parser.allow_interspersed_args = True
 
 DEFAULT_BOARD = os.environ.get('DEFAULT_BOARD', '')
 
+parser.add_option('--args', dest='args', action='store',
+                  default='',
+                  help='The arguments to pass to the test control file.')
 parser.add_option('--autox', dest='autox', action='store_true',
                   default=True,
                   help='Build autox along with autotest [default].')
 parser.add_option('--noautox', dest='autox', action='store_false',
                   help='Don\'t build autox along with autotest.')
 parser.add_option('--board', dest='board', action='store',
                   default=DEFAULT_BOARD,
                   help='The board for which you are building autotest.')
 parser.add_option('--build', dest='build', action='store',
                   help='Only prebuild client tests, do not run tests.')
@@ skipping 111 matching lines @@
                          environ.get('FEATURES', ''))
   environ['TEST_LIST'] = test_list
   environ['USE'] = use_flag
   emerge_cmd = ['emerge-%s' % options.board,
                 'chromeos-base/autotest']
   if emerge_jobs:
     emerge_cmd.append(emerge_jobs)
   return run(emerge_cmd)
 
 
-def run_autoserv(board, args):
+def run_autoserv(options, args):
   environ = os.environ
+
+  environ['AUTOSERV_TEST_ARGS'] = options.args
   environ['AUTOSERV_ARGS'] = ' '.join(args)
   environ['FEATURES'] = ('%s -buildpkg -digest noauto' %
                          environ.get('FEATURES', ''))
-  ebuild_cmd = ['ebuild-%s' % board,
+  ebuild_cmd = ['ebuild-%s' % options.board,
                 '../third_party/chromiumos-overlay/chromeos-base/'
                 'autotest/autotest-0.0.1.ebuild',
                 'clean', 'unpack', 'test']
   run(ebuild_cmd)
 
 
 def main():
   me = sys.argv[0]
   common_sh = os.path.join(os.path.dirname(me), 'common.sh')
 
   assert_inside_chroot(common_sh)
   set_common_env(common_sh, 'GCLIENT_ROOT')
 
   options, args = parse_args_and_help()
   if options.build:
     status = build_autotest(options)
     if status:
       die(common_sh, 'build_autotest failed.')
   else:
     ssh_key_file = os.path.join(os.path.dirname(me),
                                 'mod_for_test_scripts/ssh_keys/testing_rsa')
     os.chmod(ssh_key_file, 0400)
-    run_autoserv(options.board, args)
+    run_autoserv(options, args)
 
 
 if __name__ == '__main__':
   main()