BluetoothSystemServer: add AutoOn user metrics counter

Adding api to understand feature usage from user

Bug: 323060869
Bug: 316946334
Test: atest ServiceBluetoothRoboTests
Change-Id: Ie6ad6fe5fc4c77cb7f2f4f306b0d6829d5263918
1 file changed
tree: 22f1b7c5216a38dc3454e4f9b00b4f0c5a3c4d38
  1. stats/
  2. OWNERS