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/dexlayout/dexlayout_main.cc b/dexlayout/dexlayout_main.cc
index 33d62de..17097f1 100644
--- a/dexlayout/dexlayout_main.cc
+++ b/dexlayout/dexlayout_main.cc
@@ -22,17 +22,17 @@
 
 #include "dexlayout.h"
 
+#include <fcntl.h>
 #include <stdio.h>
 #include <string.h>
-#include <unistd.h>
-#include <sys/types.h>
 #include <sys/stat.h>
-#include <fcntl.h>
+#include <sys/types.h>
+#include <unistd.h>
 
 #include "base/logging.h"
 #include "jit/profile_compilation_info.h"
-#include "runtime.h"
 #include "mem_map.h"
+#include "runtime.h"
 
 namespace art {