Update motion for one-handed bouncer.

This is a little awkward to implement properly because of the animation
parameters; see the comment in KeyguardSecurityContainer for more
information.

Video link:
https://drive.google.com/file/d/1EJIZo-yn_Pez3nKgipodQ_QwqyDjXPT8/view?usp=sharing&resourcekey=0-TQWNbg-y6f-OcN_FkrC52w

Test: Manually tested.
Bug: 195012405
Change-Id: I550847d7e47608649422709d96b31b90f0e6467d