Merge "Hide bubbles whenever the status bar is hidden, unless there's a...

Merge "Hide bubbles whenever the status bar is hidden, unless there's a flyout." into rvc-dev am: 21f26f1c am: cc8325d3 am: 57be6f29

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11709058

Change-Id: I36448da264160b8428d0dae2ad91166a3f6538d1