Merge changes Ib5ac6ee9,Ib127ad43,I37a423f3 into sc-qpr1-dev

* changes:
  [ProviderModel] Cherry-pick from master ag/15207286, ag/15216391 and ag/15205988
  [Provider Model] Cherry-pick from master ag/15008434, ag/15023697 and ag/15023698
  [ProviderModel] Add InternetDialogController for internet dialog