Disable ac charging similar to usb charging (used by Nexus6)

build/android/pylib/device/battery_utils_test.py

 #!/usr/bin/env python
 # Copyright 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.
 
 """
 Unit tests for the contents of battery_utils.py
 """
 
 import logging
@@ skipping 77 matching lines @@
 
 
 class BatteryUtilsSetBatteryMeasurementTest(BatteryUtilsTest):
 
   def testBatteryMeasurement(self):
     with self.assertCalls(
         (self.call.device.RunShellCommand(
             mock.ANY, retries=0, single_line=True,
             timeout=10, check_return=True), '22'),
         (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery', 'set', 'usb', '1'], check_return=True), []),
+            ['dumpsys', 'battery', 'reset'], check_return=True), []),
         (self.call.device.RunShellCommand(
             ['dumpsys', 'batterystats', '--reset'], check_return=True), []),
         (self.call.device.RunShellCommand(
             ['dumpsys', 'batterystats', '--charged', '--checkin'],
             check_return=True), []),
         (self.call.device.RunShellCommand(
+            ['dumpsys', 'battery', 'set', 'ac', '0'], check_return=True), []),
+        (self.call.device.RunShellCommand(
             ['dumpsys', 'battery', 'set', 'usb', '0'], check_return=True), []),
         (self.call.battery.GetCharging(), False),
         (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery', 'set', 'usb', '1'], check_return=True), []),
-        (self.call.device.RunShellCommand(
             ['dumpsys', 'battery', 'reset'], check_return=True), []),
         (self.call.battery.GetCharging(), True)):
       with self.battery.BatteryMeasurement():
         pass
 
 
 class BatteryUtilsGetPowerData(BatteryUtilsTest):
 
   _DUMPSYS_OUTPUT = [
       '9,0,i,uid,1000,test_package1',
@@ skipping 87 matching lines @@
 
   def testGetCharging_unknown(self):
     with self.assertCall(
         self.call.battery.GetBatteryInfo(), {'level': '42'}):
       self.assertFalse(self.battery.GetCharging())
 
 
 if __name__ == '__main__':
   logging.getLogger().setLevel(logging.DEBUG)
   unittest.main(verbosity=2)