Lockscreen Longpress: Unlock Logic

In my opinion, we should unlock after
    user removes their finger.
This matches short-press unlock better
    and allows the user to change their mind
    on a target (I do that a lot).
Added a vibration action on longpress
    being true.

Change-Id: Ife590119dbdf10474b9c62f252e7f5d6dfc87387
Merge remote-tracking branch 'upstream/jb-mr1' into jb-mr1