Don't apply locale as part of deferred restore

Once the user has entered normal usage their locale configuration is
essentially guaranteed to be what they intend to use.  Don't override
it during deferred restore.  (We distinguish based on whether the
device is already marked as 'provisioned'.)

Bug 62224214
Test: manual

Change-Id: Icedef6a86a2b8942937b1384b204def88f2238d2