wifi: Add WFD R2 HAL API

Bug: 179342930
Test: atest VtsHalWifiSupplicantP2pV1_4TargetTest
Change-Id: I1c991fc6c3698eab1a32f728e9d71323a0103b21
diff --git a/wifi/supplicant/1.4/Android.bp b/wifi/supplicant/1.4/Android.bp
index b486687..c988fdb 100644
--- a/wifi/supplicant/1.4/Android.bp
+++ b/wifi/supplicant/1.4/Android.bp
@@ -16,6 +16,7 @@
         "types.hal",
         "ISupplicant.hal",
         "ISupplicantP2pIface.hal",
+        "ISupplicantP2pIfaceCallback.hal",
         "ISupplicantStaIface.hal",
         "ISupplicantStaNetwork.hal",
         "ISupplicantStaNetworkCallback.hal",