Merge "Merge "Show secondary home handle in immersive apps" into rvc-dev am:...

Merge "Merge "Show secondary home handle in immersive apps" into rvc-dev am: babd08b5 am: 9551b9ad" into rvc-d1-dev-plus-aosp am: 3fb130ba

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11932144

Change-Id: I296ab2e9a68ad47eb73ff1d69395b451cad497ea