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/configuration_test.cc b/aos/configuration_test.cc
index cb44f1b..c4df812 100644
--- a/aos/configuration_test.cc
+++ b/aos/configuration_test.cc
@@ -1,16 +1,17 @@
 #include "aos/configuration.h"
 
 #include "absl/strings/strip.h"
+#include "flatbuffers/reflection.h"
+#include "glog/logging.h"
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+
 #include "aos/events/ping_generated.h"
 #include "aos/json_to_flatbuffer.h"
 #include "aos/testing/flatbuffer_eq.h"
 #include "aos/testing/path.h"
 #include "aos/testing/test_logging.h"
 #include "aos/util/file.h"
-#include "flatbuffers/reflection.h"
-#include "glog/logging.h"
-#include "gmock/gmock.h"
-#include "gtest/gtest.h"
 
 namespace aos {
 namespace configuration {