Use new common utils where possible.

slave/skia_slave_scripts/update_all_slave_hosts.py

 #!/usr/bin/env python
 # Copyright (c) 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 
 """Update the root-level buildbot checkout on each buildslave host.
 
 This differs from UpdateScripts in that it updates the root-level buildbot
 script checkouts on ALL host machines, as opposed to a single buildslave's
 checkout of the buildbot scripts on a single host machine.
 """
 
 
 import re
 import skia_vars
 import sys
 
 from build_step import BuildStep, BuildStepWarning
 from utils import force_update_checkout
-from utils import misc
+from py.utils import misc
 
 sys.path.append(misc.BUILDBOT_PATH)
 
 from scripts import run_cmd
 
 
 BUILDBOT_GIT_URL = skia_vars.GetGlobalVariable('buildbot_git_url')
 
 
 class UpdateAllSlaveHosts(BuildStep):
@@ skipping 31 matching lines @@
         print ' ', failed_host
 
     if failed:
       # TODO(borenet): Make sure that we can log in to all hosts, then make this
       # an error.
       raise BuildStepWarning('Could not update some hosts.')
 
 
 if '__main__' == __name__:
   sys.exit(BuildStep.RunBuildStep(UpdateAllSlaveHosts))