Send airplane notification from app

Stop using the airplane notification ressources from Bluetooth app
inside the system server and instead start an independant service in the
app to do it

Bug: 290403852
Bug: 262605980
Bug: 303552318
Test: atest ServiceBluetoothTest
Test: atest BluetoothAirplaneModeListenerTest
Test: Manual: change airplane mode and observe the notification
Change-Id: I804826273d6b8ef5ddb6c03444e78474ed88f58e