supplicant(interface): Support P2P operations

Add methods for all the P2P related operations. This is a subset of P2P
functionalities exposed by wpa_supplicant used in the Android codebase
currently.

While there,
Add missing |FAILURE_ARGS_INVALID| status code in the setter methods in
ISupplicantStaNetwork.hal

Bug: 31497295
Test: ./hardware/interfaces/update-makefiles.sh
Change-Id: I657ef6deaa6203bcf890c43f98a32f6230962d04