Merge "Revert "Do not enter pip during transient launch."" into udc-qpr-dev...

Merge "Revert "Do not enter pip during transient launch."" into udc-qpr-dev am: bfa03860 am: 0eee437c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24115184



Change-Id: I1377555ea129e382f7d55d37301b168ed9e9ab9c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>