[Android] Fix new pylint errors in build/android/.

build/android/adb_reverse_forwarder.py

 #!/usr/bin/env python
 #
 # Copyright (c) 2013 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.
 
 """Command line tool for forwarding ports from a device to the host.
 
 Allows an Android device to connect to services running on the host machine,
 i.e., "adb forward" in reverse. Requires |host_forwarder| and |device_forwarder|
@@ skipping 43 matching lines @@
   devices = android_commands.GetAttachedDevices()
 
   if options.device:
     if options.device not in devices:
       raise Exception('Error: %s not in attached devices %s' % (options.device,
                       ','.join(devices)))
     devices = [options.device]
   else:
     if not devices:
       raise Exception('Error: no connected devices')
-    print("No device specified. Defaulting to " + devices[0])
+    print "No device specified. Defaulting to " + devices[0]
 
   device = device_utils.DeviceUtils(devices[0])
   constants.SetBuildType(options.build_type)
   try:
     forwarder.Forwarder.Map(port_pairs, device)
     while True:
       time.sleep(60)
   except KeyboardInterrupt:
     sys.exit(0)
   finally:
     forwarder.Forwarder.UnmapAllDevicePorts(device)
 
 if __name__ == '__main__':
   main(sys.argv)