Revert "Do not load app image for class collisions"

This reverts commit d8860b42e47d48fcc47db9d0daf5a1b9432180a1.

Bug: 77342775
Bug: 79200502
Bug: 79575750

Reason for revert: Some regressions in boot time.
Test: test-art-host

Change-Id: Id5e5844b5156d048a54011708378c7cdb0650f68
18 files changed