To support NAN Datapath concurrencies driver needs to be aware
of the primary NDP connection for each NDI. If the primary
NDP has ended, driver needs to update NDI with the second NDP
if it exists. For this purpose driver needs to track the NDP
connections for every peer associated with NDI. Store and
update the primary NDP connection info in peer object for
NDP confirm, NDP End & NDP schedule update.
Store and update NDP connection info in NAN's peer objects.
Change-Id: I7d2c8c513beceebf155596bfa73841a834d9a97a
CRs-Fixed: 2406402