Merge "Sample region under secondary home handle" into rvc-dev am: aadbf05a...

Merge "Sample region under secondary home handle" into rvc-dev am: aadbf05a am: 348ba067 am: 3ed7cae3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11741298

Change-Id: I93a4e0711a23f36ac1855742d49af9119280b2b9