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.cc b/aos/configuration.cc
index 4e1316d..ca11348 100644
--- a/aos/configuration.cc
+++ b/aos/configuration.cc
@@ -18,14 +18,15 @@
 #include "absl/strings/str_cat.h"
 #include "absl/strings/str_join.h"
 #include "absl/strings/str_split.h"
+#include "gflags/gflags.h"
+#include "glog/logging.h"
+
 #include "aos/configuration_generated.h"
 #include "aos/flatbuffer_merge.h"
 #include "aos/json_to_flatbuffer.h"
 #include "aos/network/team_number.h"
 #include "aos/unique_malloc_ptr.h"
 #include "aos/util/file.h"
-#include "gflags/gflags.h"
-#include "glog/logging.h"
 
 namespace aos {
 namespace {