Add Settings key for UWB State

Test: Manual
Bug: 191608501
Change-Id: I7656f78f47183e9e61d98a3ccbac94690570df20
Merged-In: I7656f78f47183e9e61d98a3ccbac94690570df20
(cherry picked from commit 760255d89420efb2b948e26cd61535a7b9561c4a)
4 files changed