D-Bus: Demote timeout/flush messages to MSG_MSGDUMP

We intentionally don't emit property-changed signals on every property
update -- for "less timing critical" messages we delay up to 5
milliseconds waiting to see if we can batch them together. When the
timer hits, we emit the signal anyway and (potentially) log this
message. This amounts to effectively tracing every property update,
which can be quite excessive.

Lower this to MSGDUMP, so MSG_DEBUG can remain slightly more sane.

Signed-off-by: Brian Norris <briannorris@chromium.org>

wpa_supplicant/dbus/dbus_new_helpers.c

@@ -742,7 +742,7 @@ static void flush_object_timeout_handler(void *eloop_ctx, void *timeout_ctx)
 	DBusConnection *con = eloop_ctx;
 	struct wpa_dbus_object_desc *obj_desc = timeout_ctx;
 
-	wpa_printf(MSG_DEBUG,
+	wpa_printf(MSG_MSGDUMP,
 		   "dbus: %s: Timeout - sending changed properties of object %s",
 		   __func__, obj_desc->path);
 	wpa_dbus_flush_object_changed_properties(con, obj_desc->path);