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 am: 9cf5fbcf

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



Change-Id: Iee753ecf85a7b9de0a31b3fe6e5e53f58d0d7a6d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>