Merge "Refine PRIVATE_FLAG_LAYOUT_SIZE_EXTENDED_BY_CUTOUT" into tm-dev am: 57d28b9a am: 883a93a1

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17197586

Change-Id: I32cef2e66e240e5258bd03f089c2d0fe52caf832