Revert "Combine direct_methods_ and virtual_methods_ fields of mirror::Class"

This reverts commit 6286a97bea0f584342803a215550038852b24776.

Change-Id: I5b00f6d1350e9c587acd4b185367dc815ea707de
diff --git a/compiler/compiled_method.h b/compiler/compiled_method.h
index 7a93613..15a4ba0 100644
--- a/compiler/compiled_method.h
+++ b/compiler/compiled_method.h
@@ -23,7 +23,7 @@
 
 #include "arch/instruction_set.h"
 #include "base/bit_utils.h"
-#include "base/length_prefixed_array.h"
+#include "length_prefixed_array.h"
 #include "method_reference.h"
 #include "utils/array_ref.h"