Currently, wmi_roam_stats_event_id data is extracted and
processing is also done in wma. This is not inline with component
model where target_if takes care of data extraction and handover
the extracted data to corresponding component(connection mgr in
this case). Add changes to support the same.
Change-Id: I5e336b01e1a2183e49b3e6eeb125c7c9fd0fd73c
CRs-Fixed: 3003125