Clang-format aos

It has drifted...  Clean it up a bit.

Change-Id: I2fe31a2187b4f690634ae6942786575db20192af
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/aos/events/pong_lib.h b/aos/events/pong_lib.h
index 0b50599..7dc20d5 100644
--- a/aos/events/pong_lib.h
+++ b/aos/events/pong_lib.h
@@ -2,8 +2,8 @@
 #define AOS_EVENTS_PONG_LIB_H_
 
 #include "aos/events/event_loop.h"
-#include "aos/events/pong_generated.h"
 #include "aos/events/ping_generated.h"
+#include "aos/events/pong_generated.h"
 
 namespace aos {