FODCircleView: let's smoothly fade-out the view, before going to View.GONE

Tests executed:
    - Ensured animation executes correctly
    - Ensured interaction with FOD (or any other biometric method) wouldn't compromise animation execution or with FOD functionality itself

Change-Id: Ic4c8160726e66b4f9a43ff28709d03d5b6e262de
Signed-off-by: Varun Date <date.varun123@gmail.com>
1 file changed