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/aidl/aidl.h b/wpa_supplicant/aidl/aidl.h
index f963e61..f4afc7e 100644
--- a/wpa_supplicant/aidl/aidl.h
+++ b/wpa_supplicant/aidl/aidl.h
@@ -146,6 +146,8 @@
 	void wpas_aidl_notify_qos_policy_request(struct wpa_supplicant *wpa_s,
 		struct dscp_policy_data *policies, int num_policies);
 	ssize_t wpas_aidl_get_certificate(const char* alias, uint8_t** value);
+	void wpas_aidl_notify_qos_policy_scs_response(struct wpa_supplicant *wpa_s,
+		unsigned int count, int **scs_resp);
 #else   // CONFIG_CTRL_IFACE_AIDL
 static inline int wpas_aidl_register_interface(struct wpa_supplicant *wpa_s)
 {
@@ -332,6 +334,8 @@
 {
 	return -1;
 }
+static void wpas_aidl_notify_qos_policy_scs_response(struct wpa_supplicant *wpa_s,
+	unsigned int count, int **scs_resp) {}
 #endif  // CONFIG_CTRL_IFACE_AIDL
 
 #ifdef _cplusplus