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

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



Change-Id: I7735ec710132d11703b45afb4d13cbc6175b177d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>