Merge "Respect the orientation of a home activity in the process of launching...

Merge "Respect the orientation of a home activity in the process of launching when split-screen enabled." into rvc-dev am: 1f7c4db5 am: 90f5f87e am: 1567ced9 am: 08e55549

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11959749

Change-Id: Ibc224c4e468be29946b339406ca6f64509ae1450