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: 73d90938

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

Change-Id: Ib81f2fb1b40e1e2a1731d25e0211a5c825df9557