Merge changes I8b478317,I140ddc35,I7188b0d8,Icf537d0d,I8eb41612, ... into main

* changes:
  [SB] Update EthernetInteractorTest to use Kosmos.
  [SB] Update ethernet icon datasource to be EthernetInteractor.
  [SB] Mark SignalCallback & SignalControllers as deprecated.
  [SB] Update StatusBarSignalPolicyTest with more Kosmos usage.
  [SB] Remove SignalCallback#setCallIndicator & associated methods.
  [SB] Format SignalCallback.kt