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/compiler/image_writer.cc b/compiler/image_writer.cc
index 51730cf..318009c 100644
--- a/compiler/image_writer.cc
+++ b/compiler/image_writer.cc
@@ -16,9 +16,9 @@
 
 #include "image_writer.h"
 
-#include <sys/stat.h>
 #include <lz4.h>
 #include <lz4hc.h>
+#include <sys/stat.h>
 
 #include <memory>
 #include <numeric>
@@ -43,8 +43,8 @@
 #include "gc/accounting/heap_bitmap.h"
 #include "gc/accounting/space_bitmap-inl.h"
 #include "gc/collector/concurrent_copying.h"
-#include "gc/heap.h"
 #include "gc/heap-visit-objects-inl.h"
+#include "gc/heap.h"
 #include "gc/space/large_object_space.h"
 #include "gc/space/space-inl.h"
 #include "gc/verification.h"
@@ -59,8 +59,8 @@
 #include "mirror/class-inl.h"
 #include "mirror/class_ext.h"
 #include "mirror/class_loader.h"
-#include "mirror/dex_cache.h"
 #include "mirror/dex_cache-inl.h"
+#include "mirror/dex_cache.h"
 #include "mirror/executable.h"
 #include "mirror/method.h"
 #include "mirror/object-inl.h"