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: 16d445b6 am: 320d2a85

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



Change-Id: Ic14057f9bc205400da448c60b5e95037a2d68f7c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>