#jira UE-80147 - Rename new anim layer related APIs
#rb Jurre.deBaare
#ROBOMERGE-OWNER: thomas.sarkanen
#ROBOMERGE-AUTHOR: thomas.sarkanen
#ROBOMERGE-SOURCE: CL 8973946 via CL 8973950 via CL 8973951
#ROBOMERGE-BOT: (v438-8971340)
[CL 8974019 by thomas sarkanen in Main branch]