[Android] Detect if device is not charging properly.

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 a9c6cd8d192bb14883b95c51d99a33813e62eae7..23919d6357787ef478fdd7fef9ad3e046d604343 100755
--- a/build/android/provision_devices.py
+++ b/build/android/provision_devices.py
@@ -338,7 +338,16 @@ def FinishProvisioning(device, options):
   if options.min_battery_level is not None:
     try:
       battery = battery_utils.BatteryUtils(device)
-      battery.ChargeDeviceToLevel(options.min_battery_level)
+      try:
+        battery.ChargeDeviceToLevel(options.min_battery_level)
+      except device_errors.DeviceChargingError:
+        device.Reboot()
+        try:
+          battery.ChargeDeviceToLevel(options.min_battery_level)
+        except device_errors.DeviceChargingError:

[jbudorick, 2016/02/05 01:40:43]

We shouldn't catch this or handle the blacklist here.

[rnephew (Reviews Here), 2016/02/05 01:52:00]

Done.

+          blacklist = device_blacklist.Blacklist(options.blacklist_file)
+          blacklist.Extend([str(device)], reason='Charging timeout')
+          logging.exception('Error while charging device.')
     except device_errors.CommandFailedError:

[jbudorick, 2016/02/05 01:40:43]

We shouldn't catch this either.

[rnephew (Reviews Here), 2016/02/05 01:52:00]

Done.

       logging.exception('Unable to charge device to specified level.')