Merge "Only handle transition requests in split if active and visible" into...

Merge "Only handle transition requests in split if active and visible" into udc-dev am: b88da3e9 am: d3e6b014 am: 5da563d8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23688584



Change-Id: I0f3e6a5eab1ebcffbeb13928106df47941422f04
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>