Fix black image wallpaper issue

We don't do transition if user unlocks the phone via biometric
authentication, but we haven't canceled the previous animation while
unlocking this way, as a consequence, the reveal state of
imagewallpaper may end up with a wrong state.

Bug: 139487871
Test: Manually test
Change-Id: Ida470d58910cbb22eed10338948aa8a99e8f4343