Enable P2P for WiFi

This allows WiFi direct support which is required by VTS. This is used
to connect directly to other WiFi devices without an intermediate access
point. This is not particularly useful for the emulator but we need to
support it anyway.

BUG: 65551440
Test: Run VTS VtsHalWifiSupplicantV1_0Target
Change-Id: I9fff0625c73ed3fa68b4cd61de86ec8eb8c991ab
(cherry picked from commit d127f58d1efab0448be5c172755802ed80b6b7b4)
(cherry picked from commit 9e360c2799cc6a027f4d86e9f01a723a7c17e512)
diff --git a/wifi/wpa_supplicant.conf b/wifi/wpa_supplicant.conf
index 836bae3..20b58be 100644
--- a/wifi/wpa_supplicant.conf
+++ b/wifi/wpa_supplicant.conf
@@ -1,5 +1,4 @@
 ctrl_interface=wlan0
-p2p_disabled=1
 disable_scan_offload=1
 wowlan_triggers=any
 ap_scan=1