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: c2a11359

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

Change-Id: I12689297ca94f64168c6c29f28c56b58447cfa22