Add callback path from wpa_supplicant core to AidlManager::listAliases.

Order of calls is:
1. wpas_list_aliases (notify.c)
2. wpas_aidl_list_aliases (aidl.cpp)
3. listAliases (aidl_manager.cpp)

Bug: 281566895
Test: m
Change-Id: If9b97f8cf1088ac001891e1722871761601c61a7
diff --git a/wpa_supplicant/notify.h b/wpa_supplicant/notify.h
index 84ef898..bc2bd64 100644
--- a/wpa_supplicant/notify.h
+++ b/wpa_supplicant/notify.h
@@ -223,6 +223,7 @@
 		struct dscp_policy_data *policies, int num_policies);
 void wpas_notify_frequency_changed(struct wpa_supplicant *wpa_s, int frequency);
 ssize_t wpas_get_certificate(const char *alias, uint8_t** value);
+ssize_t wpas_list_aliases(const char *prefix, char ***aliases);
 void wpas_notify_pmk_cache_added(struct wpa_supplicant *wpa_s,
 				 struct rsn_pmksa_cache_entry *entry);
 void wpas_notify_signal_change(struct wpa_supplicant *wpa_s);