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 am: 99b46a96

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



Change-Id: Id21b1b39a6497773f87716514b0c754f1843c984
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>