Expose name() of senders

Change-Id: Ia1e97cf5dc8f1e92728626b21fcf1b7f4da4e6b1
diff --git a/aos/events/shm-event-loop.cc b/aos/events/shm-event-loop.cc
index b05aa84..945ebc0 100644
--- a/aos/events/shm-event-loop.cc
+++ b/aos/events/shm-event-loop.cc
@@ -60,6 +60,8 @@
     return queue_->WriteMessage(msg, RawQueue::kOverride);
   }
 
+  const char *name() const override { return queue_->name(); }
+
  private:
   RawQueue *queue_;
 };