healthd: Check if battery device exists instead of charger drivers before setting fake properties. am: 9cb3d3ccf4 am: f2ca669e80
am: 6e394f0f6c

* commit '6e394f0f6c693e6f05def66d0427abd385b3f798':
  healthd: Check if battery device exists instead of charger drivers before setting fake properties.

Change-Id: Iea48fb20a7f07c7b9cb212cafd00147f07021ae2