Fingerprint: Include "Fingerprint" in the unlock title

Before this patch, there wasn't good visibility
for how to manage fingerprints. While the team decided
changing the unlock title wasn't ideal, it was still
the safest and simplest given the timeframe to ship.

Change-Id: Iad6ebe4f10237208bcdbd720666a5bf2b1bc17e8
Issue-Id: SAMBAR-207