Reject SCO connection for HFP if HFPC is connected

- To prevent HFP and HFPC try to establish SCO at the same time.
- A property is added to enable this behavior

Bug: 284104022
Test: atest BluetoothInstrumentationTests
Change-Id: Ic6c02fcfa7b4a2d7072a4bd50f691675607e4404
(cherry picked from commit ba4f7cf654e7dd8678fb8da4365043b0746dd50c)