Merge "Hide security footer container (QSBH) in portrait" into sc-qpr1-dev am: fc5c95cbc4 am: 551138d40e am: 757b973cfb

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15727590

Change-Id: I728630eeb2abebee1d3a36f1ea46b99d12b1f513