Merge "Do not enter pip during transient launch." into udc-qpr-dev am: de0393d9 am: f0575b68

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24076205



Change-Id: I78d00c320aaf8487ed9f1c8caa100b8e266c3c5f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>