Revert "Change ClassExt.originalDexFile field to an opaque Object"

Bug: 31455788

Fails on target.

This reverts commit d43e872bc6b6d24ce4b9554a27d5ab46c1f62c2e.

Change-Id: I7fefa1c075d654b8a0196b518bd33e4058f9a831
1 file changed