Added SystemApi annotation to permission used in Bluetooth

As the Bluetooth module will be built as an apex, we need
to remove all hidden API usages. BluetoothManagerService
is using MANAGE_BLUETOOTH_WHEN_WIRELESS_CONSENT_REQUIRED
so we need to expose it as SystemAPI

Tag: #feature
Bug: 211851706
Test: make
Change-Id: Ia9da9ddefc7e466f13a969a2877068ef97a032f9