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

Bug: 146045934
Test: Manual
Merged-In: Ic6325fde05294eb0266fee25f4b3e7098749a287
Change-Id: Ic6325fde05294eb0266fee25f4b3e7098749a287
2 files changed