implement timeouts for events

Change-Id: I8ec89fc5bdc7b53ddc1d5c86494615c95be9bd0e
diff --git a/aos/common/BUILD b/aos/common/BUILD
index 45c1d72..4262b60 100644
--- a/aos/common/BUILD
+++ b/aos/common/BUILD
@@ -96,6 +96,7 @@
   ],
   deps = [
     '//aos/linux_code/ipc_lib:aos_sync',
+    ':time',
   ],
 )