Hide spinner options for locked users

'Most Recent' and 'Most Frequent' depend on usagestats data, which
is only available for unlocked users. Hide them if the user is
currently locked

Test: turn off work profile and view app notification list, primary &
work
Test: turn on work profile and view app notifications list, primary &
work
Fixes: 195092949
Flag: none

Change-Id: Ia87b2b64824dff645286ea8910bcd2c412d070ae