Add a namespace for batterystats in DeviceConfig

All batterystats settings will eventually be moved from the legacy
Settings provider implementation.

Test: NA

Bug: 252903682
Change-Id: Id3c1ff0dc15393bb7cc13be5815db563b99ee7db
2 files changed
tree: da0180ecfb64b17225867fe16474869122ffbe4f
  1. apex/
  2. framework/
  3. service/