Don't set BT_SCO=off from HFP during BT off

No need to explicitly set BT_SCO=off from HFP
during BT off. This will be taken care when SCO
disconnected intent is received by BtHelper.

CRs-Fixed: 2440724
Change-Id: I8d3deeae21832ca435f5ddec8b421514b72d21b4
1 file changed