Cleanup smart battery entries (1/3)

 - Remove smart battery entry from battery settings page since
   restriction app info already move to app list page and smart battery
   feature will keep as enabled, smart battery page will be empty
 - Enable battery usage list page for AOSP

Bug: 277175992
Test: make SettingsRoboTests
Change-Id: I9221cecbfc8445b8f470975551f600e94e3128d5