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/openjdkjvmti/ti_heap.cc b/runtime/openjdkjvmti/ti_heap.cc
index 91fdaca..3397210 100644
--- a/runtime/openjdkjvmti/ti_heap.cc
+++ b/runtime/openjdkjvmti/ti_heap.cc
@@ -21,8 +21,8 @@
 #include "base/macros.h"
 #include "base/mutex.h"
 #include "class_linker.h"
-#include "gc/heap.h"
 #include "gc/heap-visit-objects-inl.h"
+#include "gc/heap.h"
 #include "gc_root-inl.h"
 #include "java_frame_root_info.h"
 #include "jni_env_ext.h"
@@ -31,8 +31,8 @@
 #include "mirror/class.h"
 #include "mirror/object-inl.h"
 #include "mirror/object_array-inl.h"
-#include "object_tagging.h"
 #include "obj_ptr-inl.h"
+#include "object_tagging.h"
 #include "primitive.h"
 #include "runtime.h"
 #include "scoped_thread_state_change-inl.h"