ART: Rename 'final' DCE pass to 'after_bce' am: 4b771a13c9 am: f1a6bd818b am: 41bd9363ac am: ffadb9c42d am: c3e4ebc484

Original change: https://android-review.googlesource.com/c/platform/art/+/2229626

Change-Id: I5d7c6f4e01d2bd756826561006c565ee8389ae1d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>