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/optimizing/optimizing_unit_test.h b/compiler/optimizing/optimizing_unit_test.h
index 1cdcbd2..08493fa 100644
--- a/compiler/optimizing/optimizing_unit_test.h
+++ b/compiler/optimizing/optimizing_unit_test.h
@@ -17,12 +17,12 @@
 #ifndef ART_COMPILER_OPTIMIZING_OPTIMIZING_UNIT_TEST_H_
 #define ART_COMPILER_OPTIMIZING_OPTIMIZING_UNIT_TEST_H_
 
-#include "nodes.h"
 #include "builder.h"
 #include "common_compiler_test.h"
 #include "dex_file.h"
 #include "dex_instruction.h"
 #include "handle_scope.h"
+#include "nodes.h"
 #include "scoped_thread_state_change.h"
 #include "ssa_builder.h"
 #include "ssa_liveness_analysis.h"