wpa_supplicant(hidl): Invoke bssid changed callback

Bug: 36451639
Test: Compiles & manual tests
Change-Id: I2f218033838ced66fe68c62fb7973d3b40fe5c02
diff --git a/wpa_supplicant/notify.c b/wpa_supplicant/notify.c
index 2f163ac..d7adaa0 100644
--- a/wpa_supplicant/notify.c
+++ b/wpa_supplicant/notify.c
@@ -190,6 +190,8 @@
 		return;
 
 	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_BSS);
+
+	wpas_hidl_notify_bssid_changed(wpa_s);
 }