Revert "Revert "Hold dex caches live in class table""
am: c9dbb1df3b

* commit 'c9dbb1df3b5c06ba122cacaf35b17cb53c6be3c6':
  Revert "Revert "Hold dex caches live in class table""

Change-Id: I0167de7cfbeaeebc40917def1c9bdc595d6e65fd