BluetoothSystemServer: add Hidden AutoOn metrics

AutoOn may require hidden api usage
We want to track them in order to eventually remove them later

Bug: 323060869
Bug: 316946334
Test: atest ServiceBluetoothRoboTests
Change-Id: I5a64b3b37b621372ac5d8e0d0f526df71683fe8b
1 file changed
tree: f60f5d6afb28bc9c0c1bc59505c6b37727295031
  1. stats/
  2. OWNERS