Show charging speed on Keyguard

Bug: 8099739
Change-Id: I2e5c21dd7ec028ce47fb03ab71e74f7fccaa9e36
diff --git a/include/batteryservice/BatteryService.h b/include/batteryservice/BatteryService.h
index 6211cf4..f0a2790 100644
--- a/include/batteryservice/BatteryService.h
+++ b/include/batteryservice/BatteryService.h
@@ -57,6 +57,7 @@
     bool chargerAcOnline;
     bool chargerUsbOnline;
     bool chargerWirelessOnline;
+    int maxChargingCurrent;
     int batteryStatus;
     int batteryHealth;
     bool batteryPresent;