Don't wipe device because of short PIN, patterns or passwords

This fixes a bug where we were counting short PIN, patterns and
passwords as attempts. For devices with a device policy admin,
this would cause devices to get wiped after a short amount of
interaction with the UI.

Fixes bug 22844609

Change-Id: I7616b38d954f89d4a2cee23f9aec1b898041b1f2