Add service "batterymanager" and method getProperty to retrieve battery properties. This is a public API. Make BatteryProperty public. Cleanups for public-facing API. Change-Id: I3637d131aabe4811dff40661728d5353eaf854c4
Add service "batterymanager" and method getProperty to retrieve battery properties. This is a public API. Make BatteryProperty public. Cleanups for public-facing API. Change-Id: I3637d131aabe4811dff40661728d5353eaf854c4