Update QS custom tile icons when they change

When an app updates to change their default tile icon, pick up on
the change.  When listening this comes from the TileLifecycleManager
and when not listening this guts picked up next time listening starts.

Change-Id: Ib730f02ed54ca1c1ba72ce50adf7dcf91f01738f
Fixes: 27911877
3 files changed