BatteryMonitor: report current_now in uA

/sys/class/power_supply/*/current_now should return uA and the HAL
expects uA too.

Test: VtsHalHealthV2_0TargetTest
Bug: 136717180
Change-Id: I675be1ae645413b9494af4a5d49955aad5bd4f2e

Author: jacky8hyf

healthd/BatteryMonitor.cpp

@@ -258,7 +258,7 @@ void BatteryMonitor::updateValues(void) {
     props.batteryVoltage = getIntField(mHealthdConfig->batteryVoltagePath) / 1000;
 
     if (!mHealthdConfig->batteryCurrentNowPath.isEmpty())
-        props.batteryCurrent = getIntField(mHealthdConfig->batteryCurrentNowPath) / 1000;
+        props.batteryCurrent = getIntField(mHealthdConfig->batteryCurrentNowPath);
 
     if (!mHealthdConfig->batteryFullChargePath.isEmpty())
         props.batteryFullCharge = getIntField(mHealthdConfig->batteryFullChargePath);