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: 87370281 am: 40272b42

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

Change-Id: Iab4c24be8ab57c5ca3668f36ac81607743bb475d