gta4xl-common: Add p2p_no_group_iface=1 to p2p_supplicant_overlay

Configures wpa_supplicant to use p2p0 mgmt iface instead of dynamically
created p2p-p2p0-XYZ virtual interfaces for P2P group.

Bug: 65524423
Test: CtsVerifier WifiDirect
Test: Manual verification
Change-Id: I70582f114ab69684424aac41fbeb78fa7cc04847
Merged-In: Id9add59aa122adb7f39c80252061a8f5d3cc55cd
4 files changed