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: 243701933
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

Merged-In: I62d945f2c2e980edf2a885234e54acae109e7672
Change-Id: I62d945f2c2e980edf2a885234e54acae109e7672
(cherry picked from commit 936dd313)