Update permissions of BluetoothPan System APIs and re-hide some APIs
that do not need to be System APIs.

Bug: 146045934
Test: Manual
Change-Id: Ic6325fde05294eb0266fee25f4b3e7098749a287
1 file changed
tree: b7098dfd7654122b145c6699323e17df98c5baab
  1. framework/
  2. service/