Remove --verbose from DM on Swarming bots

infra/bots/common.py

 #!/usr/bin/env python
 #
 # Copyright 2016 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 
 import contextlib
 import glob
@@ skipping 339 matching lines @@
       if not patchset:
         raise Exception('patchset is required for trybots.')
       properties.extend([
         'issue',    issue,
         'patchset', patchset,
       ])
 
     args = [
       'dm',
       '--undefok',   # This helps branches that may not know new flags.
-      '--verbose',
       '--resourcePath', self.device_dirs.resource_dir,
       '--skps', self.device_dirs.skp_dir,
       '--images', self.flavor.device_path_join(
           self.device_dirs.images_dir, 'dm'),
       '--nameByHash',
       '--properties'
     ] + properties
 
     args.append('--key')
     args.extend(self._key_params())
@@ skipping 112 matching lines @@
   def cleanup(self):
     if sys.platform == 'win32':
       # Kill mspdbsrv.exe, which tends to hang around after the build finishes.
       for p in psutil.process_iter():
         try:
           if p.name == 'mspdbsrv.exe':
             p.kill()
         except psutil._error.AccessDenied:
           pass
     self.flavor.cleanup_steps()