Layer: Guard against Region offset overflows am: 33da9468 am: f293ef19 am: 9c5878f2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/18887801



Change-Id: I5c777a496906d1a7942a4a233e34bd14f3c512a2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>