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/starter/starterd.cc b/aos/starter/starterd.cc
index 19117de..d6caf3f 100644
--- a/aos/starter/starterd.cc
+++ b/aos/starter/starterd.cc
@@ -1,10 +1,11 @@
 #include <pwd.h>
 #include <sys/types.h>
 
+#include "gflags/gflags.h"
+
 #include "aos/init.h"
 #include "aos/starter/starterd_lib.h"
 #include "aos/util/file.h"
-#include "gflags/gflags.h"
 
 DEFINE_string(config, "aos_config.json", "File path of aos configuration");
 DEFINE_string(user, "",
@@ -41,7 +42,8 @@
     constexpr int kUnchanged = -1;
     if (setresgid(/* ruid */ gid, /* euid */ gid,
                   /* suid */ kUnchanged) != 0) {
-      PLOG(FATAL) << "Failed to change GID to " << FLAGS_user << ", group " << gid;
+      PLOG(FATAL) << "Failed to change GID to " << FLAGS_user << ", group "
+                  << gid;
     }
 
     if (setresuid(/* ruid */ uid, /* euid */ uid,