Merge "Fix not auto pip after swipe split pair to home" into udc-dev am:...

Merge "Fix not auto pip after swipe split pair to home" into udc-dev am: 64d7bea9 am: 9e2aad92 am: 7b302a4d

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



Change-Id: Ia1996b57b3500548969f39e495819826209efeb5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>