Fix udfps fingerprint setting flow

1. on udfps + faceunlock devices, fingerprint settings shall not be
   launched if no fingerprint enrolled.
2. on udfps device, after first fingerprint enrollment successfully,
   fingerprint settings shall be shown.
3. Update FingerprintEnrollFindSensorTest to support udfps cases.

Bug: 243003012
Test: manully adding first fingerprint on udfps + faceunlock device
Test: manully suw on udfps + faceunlock device
Test: run robotest for FingerprintEnrollFindSensorTest
      and SetupFingerprintEnrollFindSensorTest
Change-Id: I62d945f2c2e980edf2a885234e54acae109e7672