The minui library has changed to no longer use libpixelflinger. It
also offers a more efficient way of storing and loading frames of
animation; use it to represent the battery-full state images.
Also removes the unused battery_charge.png image.
Bug: 12131110
Change-Id: I6cc8b19f36a806c99cda30cc47b5968daf6b333b
* Add healthd charger mode ops
* Check for executable invocation as "charger", set charger mode if so
* Incorporate charger executable as healthd charger mode
Change-Id: I4a44e7a4c3a65ae9be94491f7f498aa48d4f8a84