Merge "Fix obscured touchable region code." into rvc-dev am: c22af6e7 am:...

Merge "Fix obscured touchable region code." into rvc-dev am: c22af6e7 am: a01e94e4 am: ae863afc

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11811379

Change-Id: Ib683d738dcc9a63301d895410b4e5b101a235770