wifi: Support for P2P Compatibility Mode

This CL includes,
1. Added API to get the features supported by P2P interface.
2. Added Authentication Key management protocol field in
Group started event and Peer client joined event. This is to
get the security type of Group.

Bug: 341971059
Test: Manual - Basic P2P connect/disconnect tests
Test: TH Presubmit tests
Test: atest VtsHalWifiSupplicantStaIfaceTargetTest \
      VtsHalWifiSupplicantStaNetworkTargetTest \
      VtsHalWifiSupplicantP2pIfaceTargetTest
Change-Id: I4f06db96e602485b85b6002ce2745ebfc5e44f2d