Revert "Make original dex file be more deduplicated"

Bug: 31455788

This reverts commit 9556cb2bfc6788656d53a9ddb2159ca2040f6e38.

Change-Id: If22f2bd9d1b788c2a784dbe0e7f0c2304d8e4a59
diff --git a/runtime/class_linker_test.cc b/runtime/class_linker_test.cc
index b421810..9f04e59 100644
--- a/runtime/class_linker_test.cc
+++ b/runtime/class_linker_test.cc
@@ -618,7 +618,7 @@
   ClassExtOffsets() : CheckOffsets<mirror::ClassExt>(false, "Ldalvik/system/ClassExt;") {
     addOffset(OFFSETOF_MEMBER(mirror::ClassExt, obsolete_dex_caches_), "obsoleteDexCaches");
     addOffset(OFFSETOF_MEMBER(mirror::ClassExt, obsolete_methods_), "obsoleteMethods");
-    addOffset(OFFSETOF_MEMBER(mirror::ClassExt, original_dex_file_), "originalDexFile");
+    addOffset(OFFSETOF_MEMBER(mirror::ClassExt, original_dex_file_bytes_), "originalDexFile");
     addOffset(OFFSETOF_MEMBER(mirror::ClassExt, verify_error_), "verifyError");
   }
 };