Add finalizer references from the entrypoints.

We now have an invariant where we never allocate finalizable
objects with the Initialized or Resolved entrypoints. This speeds up
allocation by only doing the check in the slow path.

Before:
MemAllocTest: 3625, 3707, 3641
EvaluateAndApplyChanges: 3448, 3421, 3413

After:
MemAllocTest: 3164, 3109, 3135
EvaluateAndApplyChanges: 3272, 3299, 3353

Bug: 14078487

Change-Id: I2b0534af3e7c75ea5e5257cf3647744f7abfb74e