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/network/web_proxy_utils.h b/aos/network/web_proxy_utils.h
index de64329..c5e2716 100644
--- a/aos/network/web_proxy_utils.h
+++ b/aos/network/web_proxy_utils.h
@@ -1,4 +1,5 @@
 #include "absl/types/span.h"
+
 #include "aos/events/event_loop.h"
 #include "aos/flatbuffers.h"
 #include "aos/network/web_proxy_generated.h"