Add changes to send roam scan mode over RSO start/stop/update_cfg
from connection manager. Update the roaming params and roam scan
params to new structure.
Refine send_roam_scan_offload_mode_cmd_tlv().
Change-Id: I6adce2e8a24ece93a079032d0e66760393fcdccd
CRs-Fixed: 2766023