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/mirror/stack_trace_element.cc b/runtime/mirror/stack_trace_element.cc
index 53de821..bb3242e 100644
--- a/runtime/mirror/stack_trace_element.cc
+++ b/runtime/mirror/stack_trace_element.cc
@@ -16,12 +16,12 @@
 
 #include "stack_trace_element.h"
 
-#include "class.h"
 #include "class-inl.h"
+#include "class.h"
 #include "gc/accounting/card_table-inl.h"
 #include "gc_root-inl.h"
-#include "object-inl.h"
 #include "handle_scope-inl.h"
+#include "object-inl.h"
 #include "string.h"
 
 namespace art {