Run clang-format on the entire repo

This patch clang-formats the entire repo. Third-party code is
excluded.

I needed to fix up the .clang-format file so that all the header
includes are ordered properly. I could have sworn that it used to work
without the extra modification, but I guess not.

Signed-off-by: Philipp Schrader <philipp.schrader@gmail.com>
Change-Id: I64bb9f2c795401393f9dfe2fefc4f04cb36b52f6
diff --git a/aos/actions/action_test.cc b/aos/actions/action_test.cc
index 2638cdc..e7a3c53 100644
--- a/aos/actions/action_test.cc
+++ b/aos/actions/action_test.cc
@@ -4,13 +4,14 @@
 #include <memory>
 #include <thread>
 
+#include "gtest/gtest.h"
+
 #include "aos/actions/actions.h"
 #include "aos/actions/actions_generated.h"
 #include "aos/actions/actor.h"
 #include "aos/actions/test_action_generated.h"
 #include "aos/events/simulated_event_loop.h"
 #include "aos/testing/path.h"
-#include "gtest/gtest.h"
 
 namespace aos {
 namespace common {