Add support to handle GET_KEEP_ALIVE_INETRVAL command.
If received command in connected state return keep alive
period configured to firmware but if command received in
disconnected state, if user space has set keep alive
period then return the user space configured value or
else return INI configured value.
Change-Id: I5d386ecd141531795b471198bd70afa20210bdc5
CRs-Fixed: 3818096