Fingerprint: Show bouncer when fingerprint is disallowed

Fixes an issue where the bouncer was no longer showing after we
successfully authed a fingerprint but it was not allowed to unlock
the device.

Change-Id: Ieb91e876b8b7e4daf64141db1718451eb3ba1368
Fixes: 62446740
Test: Enter 5 wrong lockscreen credentials, locking out for 30 seconds. During that time try to unlock with fingerprint. Verify it shows the bouncer reliably.