Merge changes from topic "config-anim-time-asst" into main

* changes:
  [SysUI][Floaty] Add support for dumping invocation effect related info
  [SysUI][Floaty] Wire invocation effect preferences with setUiHints
  [SysUI][Floaty] Create flow to determine if effect enabled by assistant
  [SysUI][Floaty] Add a flow to detect change in active user or assistant
  [SysUI][Floaty] Extract preferences logic to a separate class