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/util/generate_test_log.cc b/aos/util/generate_test_log.cc
index 12cc260..dda7912 100644
--- a/aos/util/generate_test_log.cc
+++ b/aos/util/generate_test_log.cc
@@ -1,3 +1,5 @@
+#include "gflags/gflags.h"
+
 #include "aos/configuration.h"
 #include "aos/events/logging/log_writer.h"
 #include "aos/events/ping_lib.h"
@@ -5,7 +7,6 @@
 #include "aos/init.h"
 #include "aos/json_to_flatbuffer.h"
 #include "aos/testing/path.h"
-#include "gflags/gflags.h"
 
 DEFINE_string(output_folder, "",
               "Name of folder to write the generated logfile to.");