[Settings] fix Settings crash on App info for archived apps

For archived apps, isClearRestrictionAllowed (introduced in ag/26048774)
can throw NameNotFoundException, which causes Settings app to crash if
uncaught. This CL fixes that.

Test: manual by archiving an app and then try to go to it's app info
page
BUG: 332397754

Change-Id: I49a39dba36261f36215f0389ffe41523e8a2f4e8