Merge "Fix support for split-screen w/ non-resizable home" into rvc-dev am: a9233b0aab am: 3f8e82957e

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

Change-Id: Id1266f325eca33bd3950a576a546d28cc36d4c1e