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: a2f5366f am: 2c45c63e

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



Change-Id: I285b988a3a5fffdf77d8c7ae3da96cdcd4aca343
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>