Merge "Centralize assignment of pip enter animation type" into udc-dev am:...

Merge "Centralize assignment of pip enter animation type" into udc-dev am: b4a8a82f am: 9b17b356

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22572957



Change-Id: I246f190ccc8dde34e0f346a7b62547f30103bca8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>