Merge changes from topics "launch_wifi_details-sc-qpr1-dev", "refactor_icon_injector-sc-qpr1-dev" into sc-qpr1-dev

* changes:
  Refactor InternetIconInjector to SettingsLib
  [Provider Model] Cherry-pick from ag/15243691, ag/15287619, ag/15287620 and ag/15270751