Revert "BluetoothSystemServer: add Hidden AutoOn metrics"

This reverts commit ff13bd6d16ed1c4ee5f14a7aa47be04e2f86ae46.

Reason for revert: Related code was revert -- See aosp/3023046

Bug: 323060869
Bug: 316946334
Change-Id: I7a541b6496ba28b1199e6ba3a90cb61d526c0658
Test: atest serviceBluetoothRoboTests
1 file changed
tree: 22f1b7c5216a38dc3454e4f9b00b4f0c5a3c4d38
  1. stats/
  2. OWNERS