Update lock icon when necessary

KeyguardSecurityContainer might have multiple security views
inflated simultaneosly. We cannot cache the lock icon container,
we need to update it whenever the security type changes.

Fixes: 128993074
Test: switch security mode, swipe up on bouncer
Change-Id: I63c566378a8c9b902fdf19daaad1610b581b10d6
4 files changed