Fix phishing attack in ChooseLockGeneric

Cherry-pick of 436256c3

Test: 1) make and run SettingsTests. It passes.
      2) Manual test 1
         a) On a device supports fingerprint, set a password but not fingerprint.
         b) adb shell am start -a android.app.action.SET_NEW_PARENT_PROFILE_PASSWORD
         c) Confirm Lock password screen is shown
         d) Select "Skip fingerprint". There isn't a second lock password confirmation screen.
         e) A new password can be set successfully.
      3) Manual test 2
         a) Repeat step 2)a) - 2)c)
         b) Select "Fingerprint + PIN". There isn't a second lock password confirmation screen.
         c) A new password and fingerprint can be enrolled successfully.

Bug: 33059280
Change-Id: I1078c6e303fc41aeeb370e5d6518d1f16b5837f1
Merged-In: I1078c6e303fc41aeeb370e5d6518d1f16b5837f1