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/stack_map.h b/runtime/stack_map.h
index 21780a1..3931b62 100644
--- a/runtime/stack_map.h
+++ b/runtime/stack_map.h
@@ -20,13 +20,13 @@
 #include <limits>
 
 #include "arch/code_offset.h"
-#include "base/bit_vector.h"
 #include "base/bit_utils.h"
+#include "base/bit_vector.h"
 #include "bit_memory_region.h"
 #include "dex_file.h"
+#include "leb128.h"
 #include "memory_region.h"
 #include "method_info.h"
-#include "leb128.h"
 
 namespace art {