Merge "Listen for VIS window visibility changes in SysUI" into tm-dev am: 0b870355 am: 9ef47d9e am: bd3b9d86

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17211291



Change-Id: I75f426aad3003628f693c0821bea8ca9ac7cdfde
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>