Merge "Implement resize enter animation" into udc-dev am: 460be670 am: 17ab0a3f am: 22e744e7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22881925



Change-Id: Ie9f8777d9d7acf2d66265433edde9a7acce05096
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>