Merge "Create interface for different transition types." into sc-dev am:...

Merge "Create interface for different transition types." into sc-dev am: 269fd081 am: 4c2baf98 am: 1e5f2745

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14701099

Change-Id: If540ba9239ec04fd96d630f3aead88c116148881