Settings: Improve AOSP JA translation

Change-Id: I56cf10bc1deb4818cbd2781a32c512c3dd51764b
Development: Root for apps is unavailable if the su daemon isn't running

The superuser options are tied to the Superuser app variant we use,
which in turn is tied to the su daemon. No daemon, no menu options.

Change-Id: I41d58e62986759336ab38e67f26a558c2eed5aa3