Update to modern Bluetooth permissions.

The Settings app offers several Bluetooth intents, and they need to
be updated to enforce the new "Nearby devices" runtime permission
model, since the old BLUETOOTH and BLUETOOTH_ADMIN permissions have
been deprecated.

Bug: 191174082
Test: TH
Change-Id: I0d812f486bc3dadc517d5b04d3082d4f56f60ef4