Merge "Fix support for split-screen w/ non-resizable home" into rvc-dev am:...

Merge "Fix support for split-screen w/ non-resizable home" into rvc-dev am: a9233b0a am: 3f8e8295 am: f9700f47

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11897517

Change-Id: I77d61d95a6d7f18ef0a4626e9a1fafee06b09cc9