Add all core tests to DDC linux bots

tools/bots/ddc_tests.py

 #!/usr/bin/env python
 #
 # Copyright (c) 2016, 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.
 
 import os
 import os.path
 import shutil
 import sys
@@ skipping 21 matching lines @@
     bot.RunProcess([sys.executable, './tools/build.py', '--mode=release',
          '--arch=x64', 'dartdevc_test'])
 
   with bot.BuildStep('Run tests'):
     (bot_name, _) = bot.GetBotName()
     system = bot_utils.GetSystemFromName(bot_name)
     if system == 'linux':
       bot.RunProcess([
         'xvfb-run', sys.executable, './tools/test.py', '--strong', '-mrelease',
         '-cdartdevc', '-rchrome', '-ax64', '--report', '--time', '--checked',
-        'language_2', 'corelib_2', 'language_strong'])
+        '--progress=buildbot'] + TARGETS )
     else:
       info = bot.BuildInfo('dartdevc', 'chrome', 'release', system,
           arch='x64', checked=True)
       bot.RunTest('dartdevc', info, TARGETS, flags=FLAGS)