Merge "Remove dead stub occlude/unocclude animators" into udc-dev am: 3c0f9d66 am: 4669edd6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23381936



Change-Id: I19f1e5652b2e0a4f274258210778e2593b1ecb2d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>