Merge "Use local leash to animate PiP activity surface" into udc-dev am: f3475fcf am: a6a6c191

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



Change-Id: I8f098c5f336d3f0447b466c8bdda9e2d7ac135c8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>