Merge "Use current fullscreen opaque window as insets control target" into...

Merge "Use current fullscreen opaque window as insets control target" into rvc-qpr-dev am: 571568a8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13079938

Change-Id: I3ab807d9448ed22ac2315321ee7a1e8296b5e598