Add TimerHandler to event loop

Change-Id: I85c9142bcff9bf2cc5b8d003d24b8d77567fbe4a
diff --git a/aos/events/event-loop_param_test.h b/aos/events/event-loop_param_test.h
index ae215db..a4e4b8e 100644
--- a/aos/events/event-loop_param_test.h
+++ b/aos/events/event-loop_param_test.h
@@ -1,6 +1,8 @@
 #ifndef _AOS_EVENTS_EVENT_LOOP_PARAM_TEST_H_
 #define _AOS_EVENTS_EVENT_LOOP_PARAM_TEST_H_
 
+#include <vector>
+
 #include "aos/events/event-loop.h"
 #include "gtest/gtest.h"