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

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



Change-Id: I083a9fc9e9ea7279bb87eb7fa492df3113752782
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>