Merge "Implement resize enter animation" into udc-dev am: 460be670 am: 6b4726b9

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



Change-Id: If5687f6e67265306b89cbf1227b0ab6d0c14463c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>