Merge "Only bring side to top when split visible" into udc-dev am: 01158d6e...

Merge "Only bring side to top when split visible" into udc-dev am: 01158d6e am: 5e4cc90b am: 6d98fd18 am: 0184cec3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23657041



Change-Id: I0a7c352a6d8a1473884bfb2e6939e701e0fe3328
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>