Merge "Handle ActivityEmbedding container in remote transition adapter" into tm-qpr-dev am: ed1949c971

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20546830

Change-Id: I3696bcede29fbc12e77c1e438310b495be600cd4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>