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/ipc_lib/lockless_queue.h b/aos/ipc_lib/lockless_queue.h
index f7a85c3..9cc97c0 100644
--- a/aos/ipc_lib/lockless_queue.h
+++ b/aos/ipc_lib/lockless_queue.h
@@ -9,6 +9,7 @@
 #include <vector>
 
 #include "absl/types/span.h"
+
 #include "aos/ipc_lib/aos_sync.h"
 #include "aos/ipc_lib/data_alignment.h"
 #include "aos/ipc_lib/index.h"