Merge "Refactor force visible nav bar into new secure setting." into tm-dev am: 28118273 am: d1a3171f

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/17002946

Change-Id: Ib1be26461a41e159acbb5030ba20bc99d6608aad