AIDL: Implement QoS SCS policy stub APIs

Add implementation for QoS SCS policy APIs and callbacks:
 - addQosPolicyRequestForScs
 - removeQosPolicyForScs
 - removeAllQosPoliciesForScs
 - onQosPolicyResponseForScs

Bug: 236182432
Test: m
Change-Id: Ie6c66e2e6783c20c8754ce9e7bfdd31eacc4f29e
diff --git a/wpa_supplicant/notify.c b/wpa_supplicant/notify.c
index 23a5ad9..cd272e3 100644
--- a/wpa_supplicant/notify.c
+++ b/wpa_supplicant/notify.c
@@ -1377,3 +1377,12 @@
 {
 	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_SIGNAL_CHANGE);
 }
+
+void wpas_notify_qos_policy_scs_response(struct wpa_supplicant *wpa_s,
+		unsigned int num_scs_resp, int **scs_resp)
+{
+	if (!wpa_s || !num_scs_resp || !scs_resp)
+		return;
+
+	wpas_aidl_notify_qos_policy_scs_response(wpa_s, num_scs_resp, scs_resp);
+}