Merge "Do not show footer when shade is closed" into sc-dev am: 0e09a244 am: 8634b4b1 am: ab65e490

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14735999

Change-Id: I6e4f8b63e8e0574dd8eba3042e33b5f2e45dd52e