Revamp battery Ui in low battery mode

This cl refine battery icon ui in low battery mode:
1. Should show indicator(fixed in ag/2035178)
2. Show bolt icon when charging
3. When battery is low, set battery background as red and indicator
as white.

This cl also includes the field updates for battery.

Bug: 36862496
Test: RunSettingsRoboTests
Change-Id: Ifb2ed339742119bbff78712df09288b895756b1f