Merge "Start 2d animation when view laid out." into udc-dev am: 0f4c76e8 am:...

Merge "Start 2d animation when view laid out." into udc-dev am: 0f4c76e8 am: 79512b15 am: fc9a21ab

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23417156



Change-Id: Iaaf31ee70017c268d1eb46314e58f71b7efee469
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>