Merge "Migrate unfold animation to Shell transitions [Part 1]" into tm-dev am:...

Merge "Migrate unfold animation to Shell transitions [Part 1]" into tm-dev am: a830367d am: 6731471c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17071467



Change-Id: I0c96a2aff2310643d690e38764b1a8b3c8112d0d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>