Merge "Update ActivityEmbedding split open/close animation adapter for legacy"...

Merge "Update ActivityEmbedding split open/close animation adapter for legacy" into tm-qpr-dev am: 48bf8456 am: 5956628e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19866404



Change-Id: I79009e2e9c17b44d68fc5a8f5a692b1b2cc7b118
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>