wifi: skip p2p vts tests if p2p is not supported

Bug: 149053982
Test: * remove wifi direct featuer in device.mk
      * flash build
      * atest VtsHalWifiSupplicantP2pV1_2Target

Change-Id: I9d8a41e4d1f2cde9d311481d285be448583b8d9e
2 files changed