Merge "Wait for notification shade to redraw on orientation change" into sc-dev am: 7b4e645ce0 am: 3592ca1095

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

Change-Id: I5ea69c70bb42cf733a2d101606df1d02aef99af5