health: expose battery health data and update version to V2

1. add the new propertes
  - batteryHealthData
  - batteryStateOfHealth
  - chargingState
  - chargingPolicy
2. add new types to health status
3. add new methods
  - setChargingPolicy
  - getChargingPolicy
  - getBatteryHealthData

Bug: 251425963
Test: m android.hardware.health-update-api
Change-Id: Ie2339c50e1f9bfc28427e4108a95b1a16c739205
Signed-off-by: Jack Wu <wjack@google.com>