Merge "Fix not auto pip after swipe split pair to home" into udc-dev am: 64d7bea9 am: 9e2aad92

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23484433



Change-Id: I5fbee6a3eff68c2dca3b9b24489930e81aa8bfd0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>