wifi(interface): Move all StaIface types to types.hal

Some of these structs are used in the debug framework and hence needs to
live in types.hal. Add a |Sta| prefix to differentiate them from other
types similar to what is done for Nan and Rtt types.

Bug: 31991459
Test: ./hardware/interfaces/update-makefiles.sh
Change-Id: Idc49b28447609c4334b0a086481c404c06a63fea