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

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

Change-Id: I1f454727d7ac616e6d5b01f675cb48ca542c70a8