Merge "Use local leash to animate PiP activity surface" into udc-dev am: f3475fcf

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23053581



Change-Id: Ic90195091ddedae9397b9c4258ff45b2b6106d7c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>