Fix docstring in battery_utils

build/android/pylib/device/battery_utils.py

Index: build/android/pylib/device/battery_utils.py
diff --git a/build/android/pylib/device/battery_utils.py b/build/android/pylib/device/battery_utils.py
index 78bab02059b70d251bfeb13ae139d1a0d268d399..227e902c34a492850ebfdc1dc3143d9cfbd5c1b5 100644
--- a/build/android/pylib/device/battery_utils.py
+++ b/build/android/pylib/device/battery_utils.py
@@ -200,7 +200,6 @@ class BatteryUtils(object):
     Raises:
       device_errors.CommandFailedError: If method of disabling charging cannot
         be determined.
-      device_errors.DeviceVersionError: If device is not L or higher.
     """
     if 'charging_config' not in self._cache:
       for c in _CONTROL_CHARGING_COMMANDS:
@@ -271,6 +270,9 @@ class BatteryUtils(object):
     Args:
       timeout: timeout in seconds
       retries: number of retries
+
+    Raises:
+      device_errors.DeviceVersionError: If device is not L or higher.
     """
     def battery_updates_enabled():
       return self.GetCharging() is True