Merge "Add a unit test for auto-enter PiP by navigating to home" into tm-qpr-dev am: c11694a3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18418388



Change-Id: Ide54dc3207a45fef0cc70932ebc9d08792096f28
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>