Set SCO state correctly on rfcomm disconnect

Update the SCO state correctly on rfcomm disconnection during codec
negotiation while DUT is already having an active HFP connection with a
different device.

Bug: 349738206
Bug: 351778741
Test: m packages/modules/Bluetooth with Manual testing.
Flag:
com.android.bluetooth.flags.update_sco_state_correctly_on_rfcomm_disconnect_during_codec_nego

Change-Id: Ic3b348023c678c514fccb44a20d868e9e17f1412