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/libc/aos_strsignal.cc b/aos/libc/aos_strsignal.cc
index cf1aad1..b46e46e 100644
--- a/aos/libc/aos_strsignal.cc
+++ b/aos/libc/aos_strsignal.cc
@@ -2,9 +2,10 @@
 
 #include <csignal>
 
-#include "aos/thread_local.h"
 #include "glog/logging.h"
 
+#include "aos/thread_local.h"
+
 const char *aos_strsignal(int signal) {
   AOS_THREAD_LOCAL char buffer[512];
 
@@ -17,15 +18,15 @@
 
 // sys_strsignal depricated in glibc2.32
 #ifdef __GLIBC__
-  #if __GLIBC_PREREQ(2, 32)
+#if __GLIBC_PREREQ(2, 32)
   if (signal > 0 && signal < NSIG && sigdescr_np(signal) != nullptr) {
     return sigdescr_np(signal);
   }
-  #else
+#else
   if (signal > 0 && signal < NSIG && sys_siglist[signal] != nullptr) {
     return sys_siglist[signal];
   }
-  #endif
+#endif
 // If not using GLIBC assume we can use sys_siglist
 #else
   if (signal > 0 && signal < NSIG && sys_siglist[signal] != nullptr) {