Merge "Wait for notification shade to redraw on orientation change" into sc-dev am: 7b4e645c am: 3592ca10 am: 1280113a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15401463

Change-Id: Icbec2403d5b9c644e86b7c8c15ffff3a57dceeab