healthd: Check if battery device exists instead of charger drivers before setting fake properties. am: 9cb3d3ccf4
am: f2ca669e80

* commit 'f2ca669e80078254ad3aceac800161b3266d3195':
  healthd: Check if battery device exists instead of charger drivers before setting fake properties.

Change-Id: I8115836dbd81264634dd7ab84bc360ac610a030b