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

build/android/pylib/device/adb_wrapper.py

Index: build/android/pylib/device/adb_wrapper.py
diff --git a/build/android/pylib/device/adb_wrapper.py b/build/android/pylib/device/adb_wrapper.py
index e7a84185d8f43b81a3c641ed0669622e4c4d6025..23f77c3e819f661fa0f9ca22752acedf7c49cd79 100644
--- a/build/android/pylib/device/adb_wrapper.py
+++ b/build/android/pylib/device/adb_wrapper.py
@@ -45,7 +45,7 @@ class AdbWrapper(object):
     """
     self._device_serial = str(device_serial)
 
-  # pylint: disable=W0613
+  # pylint: disable=unused-argument
   @classmethod
   @decorators.WithTimeoutAndRetries
   def _RunAdbCmd(cls, arg_list, timeout=None, retries=None, check_error=True):
@@ -62,7 +62,7 @@ class AdbWrapper(object):
     if check_error and output[:len('error:')] == 'error:':
       raise device_errors.AdbCommandFailedError(arg_list, output)
     return output
-  # pylint: enable=W0613
+  # pylint: enable=unused-argument
 
   def _DeviceAdbCmd(self, arg_list, timeout, retries, check_error=True):
     """Runs an adb command on the device associated with this object.