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

build/android/pylib/device/battery_utils_test.py

Index: build/android/pylib/device/battery_utils_test.py
diff --git a/build/android/pylib/device/battery_utils_test.py b/build/android/pylib/device/battery_utils_test.py
index 03ea196b5de04a7605d4fba1827a3f427c361df3..2135ac016185f19850287945ec46dfec0b69153a 100755
--- a/build/android/pylib/device/battery_utils_test.py
+++ b/build/android/pylib/device/battery_utils_test.py
@@ -95,18 +95,18 @@ class BatteryUtilsSetBatteryMeasurementTest(BatteryUtilsTest):
             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():