Fingerprint suggestion should not be dismissed until fingerprint added

- Do not dismiss fingerprint suggestion until atleast one fingerprint is
added.

bug: 36578142
Test: robotest & manually verified.
Change-Id: I3151c9ae971666a0964be007103a9b7ad41de5ce
(cherry picked from commit 51ef801b3245f37680e1513d7f2b22aea02754ba)
2 files changed