Merge "Enable QS open while notifications are scrolled below status bar" into sc-dev am: bc014c2d3d am: 82fa53480d am: 5437ff82fe

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14941590

Change-Id: I3bbd8838e200eb84259d7c50e2277d58611428e0