ANDROID: GKI: power_supply: Add power supply type "Charge Pump"

Introduce a new power supply type "Charge Pump" under the power_supply
class. Also, add power supply properties corresponding to power supply
type charge pump.

Signed-off-by: Umang Agrawal <uagrawal@codeaurora.org>
Signed-off-by: Guru Das Srinagesh <gurus@codeaurora.org>
(cherry picked from commit cf749f20)
Signed-off-by: Mark Salyzyn <salyzyn@google.com>
Bug: 150789066
Change-Id: Ic2ae389601afba37a882d18d5fbb986f86fd3067