Merge "Respect the orientation of a home activity in the process of launching when split-screen enabled." into rvc-dev am: 1f7c4db513 am: 90f5f87e70 am: 1567ced910

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

Change-Id: I7a27742f68e0499f1ec45791d2aa095afe669c2b