[Android] Add a custom pylintrc for build/android/.

build/android/provision_devices.py

Index: build/android/provision_devices.py
diff --git a/build/android/provision_devices.py b/build/android/provision_devices.py
index 0a7f8fd770f8b24a6ca464942a0a9d148229753a..3d9db7286d68ed3757e1c34c9a133327afc82365 100755
--- a/build/android/provision_devices.py
+++ b/build/android/provision_devices.py
@@ -81,7 +81,7 @@ def ProvisionDevices(args):
 def ProvisionDevice(device, blacklist, options):
   if options.reboot_timeout:
     reboot_timeout = options.reboot_timeout
-  elif (device.build_version_sdk >= version_codes.LOLLIPOP):
+  elif device.build_version_sdk >= version_codes.LOLLIPOP:
     reboot_timeout = _DEFAULT_TIMEOUTS.LOLLIPOP
   else:
     reboot_timeout = _DEFAULT_TIMEOUTS.PRE_LOLLIPOP
@@ -195,7 +195,7 @@ def WipeDevice(device, options):
             adb_public_keys = f.readlines()
           adb_keys_set.update(adb_public_keys)
         except IOError:
-          logging.warning('Unable to find adb keys file %s.' % adb_key_file)
+          logging.warning('Unable to find adb keys file %s.', adb_key_file)
       _WriteAdbKeysFile(device, '\n'.join(adb_keys_set))
   except device_errors.CommandFailedError:
     logging.exception('Possible failure while wiping the device. '
@@ -299,7 +299,7 @@ def FinishProvisioning(device, options):
       logging.exception('Unable to let battery cool to specified temperature.')
 
   def _set_and_verify_date():
-    if (device.build_version_sdk >= version_codes.MARSHMALLOW):
+    if device.build_version_sdk >= version_codes.MARSHMALLOW:
       date_format = '%m%d%H%M%Y.%S'
       set_date_command = ['date']
     else:
@@ -329,7 +329,7 @@ def FinishProvisioning(device, options):
 
   props = device.RunShellCommand('getprop', check_return=True)
   for prop in props:
-    logging.info('  %s' % prop)
+    logging.info('  %s', prop)
   if options.auto_reconnect:
     _PushAndLaunchAdbReboot(device, options.target)
 
@@ -356,7 +356,7 @@ def _PushAndLaunchAdbReboot(device, target):
     target: The build target (example, Debug or Release) which helps in
             locating the adb_reboot binary.
   """
-  logging.info('Will push and launch adb_reboot on %s' % str(device))
+  logging.info('Will push and launch adb_reboot on %s', str(device))
   # Kill if adb_reboot is already running.
   device.KillAll('adb_reboot', blocking=True, timeout=2, quiet=True)
   # Push adb_reboot