[For the durtay flashurz] Our previous QuietHours ringer pref was a CheckboxPreference. Now, it's a ListPreference. Detect the failure to initialize, remove the incorrectly-typed value, and re-inflate

Change-Id: Ic15e533c5395f9169c32f9aadd4be8d6113c2f40
Merge "[For the durtay flashurz] Our previous QuietHours ringer pref was a CheckboxPreference. Now, it's a ListPreference. Detect the failure to initialize, remove the incorrectly-typed value, and re-inflate" into kk44