Merge changes I8940a1a8,Ia1fb7337,I0a05cac0,Ia1e38281,Ia0195ccc, ...

* changes:
  Migrate some permission checks into the binder
  Simplify checking for the dump permission
  Simplify local mac address permission checking
  Simplify enforcing bluetooth privileged permission
  Simplify checking for BT ADMIN permission
  Simplify BT permission enforcement