ART: Include cleanup

Let clang-format reorder the header includes.

Derived with:

* .clang-format:
 BasedOnStyle: Google
 IncludeIsMainRegex: '(_test|-inl)?$'

* Steps:
 find . -name '*.cc' -o -name '*.h' | xargs sed -i.bak -e 's/^#include/ #include/' ; git commit -a -m 'ART: Include cleanup'
 git-clang-format -style=file HEAD^
 manual inspection
 git commit -a --amend

Test: mmma art
Change-Id: Ia963a8ce3ce5f96b5e78acd587e26908c7a70d02
diff --git a/runtime/fault_handler.h b/runtime/fault_handler.h
index d56cf17..3e2664c 100644
--- a/runtime/fault_handler.h
+++ b/runtime/fault_handler.h
@@ -18,12 +18,13 @@
 #ifndef ART_RUNTIME_FAULT_HANDLER_H_
 #define ART_RUNTIME_FAULT_HANDLER_H_
 
-#include <signal.h>
-#include <vector>
 #include <setjmp.h>
+#include <signal.h>
 #include <stdint.h>
 
-#include "base/mutex.h"   // For annotalysis.
+#include <vector>
+
+#include "base/mutex.h"  // For annotalysis.
 
 namespace art {