[wpa_supplicant] Support for Passpoint T&C notification

Add support for Passpoint T&C notification, requires adding a new
version of SupplicantStaIfaceCallback.

Bug: 171928337
Test: atest VtsHalWifiSupplicantV1_4TargetTest
Change-Id: I02025a4652012c25b0a287ef907cf44d82ffe0a3
diff --git a/wpa_supplicant/notify.h b/wpa_supplicant/notify.h
index c02b3ba..d75bc77 100644
--- a/wpa_supplicant/notify.h
+++ b/wpa_supplicant/notify.h
@@ -175,6 +175,8 @@
 void wpas_notify_hs20_rx_deauth_imminent_notice(struct wpa_supplicant *wpa_s,
 						u8 code, u16 reauth_delay,
 						const char *url);
+void wpas_notify_hs20_rx_terms_and_conditions_acceptance(
+		struct wpa_supplicant *wpa_s, const char *url);
 void wpas_notify_dpp_config_received(struct wpa_supplicant *wpa_s,
 	    struct wpa_ssid *ssid);
 void wpas_notify_dpp_config_sent(struct wpa_supplicant *wpa_s);