Move ArrayRef to runtime/base

Will be used in upcoming CLs regarding VDEX and VerifierDeps.

Test: m test-art-host
Change-Id: I68e611a4a52246c2bdf45eab7c61f3212908afd4
diff --git a/compiler/compiled_method.h b/compiler/compiled_method.h
index 2a81804..1a87448 100644
--- a/compiler/compiled_method.h
+++ b/compiler/compiled_method.h
@@ -23,10 +23,10 @@
 #include <vector>
 
 #include "arch/instruction_set.h"
+#include "base/array_ref.h"
 #include "base/bit_utils.h"
 #include "base/length_prefixed_array.h"
 #include "method_reference.h"
-#include "utils/array_ref.h"
 
 namespace art {