[connman] Add connman_service_get_saved() API. JB#47990

It's needed by Sailfish OS wifi plugin to determine which networks
are pre-configured and have to be reported to the connman core
immediately after they've been seen in the air.

connman/include/service.h

@@ -128,6 +128,7 @@ char **connman_service_get_proxy_excludes(struct connman_service *service);
 const char *connman_service_get_proxy_url(struct connman_service *service);
 const char *connman_service_get_proxy_autoconfig(struct connman_service *service);
 bool connman_service_get_favorite(struct connman_service *service);
+bool connman_service_get_saved(struct connman_service *service);
 bool connman_service_get_autoconnect(struct connman_service *service);
 bool connman_service_set_autoconnect(struct connman_service *service,
 							bool autoconnect);

connman/src/service.c

@@ -6990,6 +6990,11 @@ bool connman_service_get_favorite(struct connman_service *service)
 	return service->favorite;
 }
 
+bool connman_service_get_saved(struct connman_service *service)
+{
+	return service_saved_value(service);
+}
+
 bool connman_service_get_autoconnect(struct connman_service *service)
 {
 	return service->autoconnect;