p2p: implement new p2p find API

Bug: 159094739
Test: atest VtsHalWifiSupplicantStaIfaceTargetTest \
            VtsHalWifiSupplicantStaNetworkTargetTest \
            VtsHalWifiSupplicantP2pIfaceTargetTest
Change-Id: Idb100521139fd875966f04743efceb2e460a9aee
2 files changed