Enable WBS

Enable WBS

Enable compile time flag BTM_WBS_INCLUDED in the stack to enable
the WBS codec negotiation code in the stack.

All changes in stack are guarded using BLUETOOTH_QCOM_SW feature flag.

Initiate codec negotiation process only for those remote
devices which support it

start codec negotiation procedure after AT+BCC command is received from HF
requesting to start codec negotiation.

SCO state machine moves to proper state to reinitiate SCO connection.
Avoid sending codec negotiation for HF devices not supporting
WBS in such error cases.

CRs-fixed: 878963
Change-Id: Ia3641bfad60b4087cf99250a7ea190ec700547bf