Hide bubble HUNs after unlock with face auth / bypass enabled

Test: manual - have face auth with bypass enabled
             - get a bubble notification while screen locked
             - look at screen, see HUN, see it unlock
             => bubble with flyout is shown & HUN is hidden
Fixes: 159218197
Change-Id: Ia849b95ecc1c6f08b99c94c0589f151b33bb9ff2