Info screen of the contact journal adapted with the additional texts (EXPOSUREAPP-4582) (#2155)

* adjusted Contact journal info screen with the additional texts and behaviour

* removed duplicate image

* https://github.com/corona-warn-app/cwa-app-android/pull/2155/files#r560716121

* additional layer in order to test

* fixed unused import -.-

* https://github.com/corona-warn-app/cwa-app-android/pull/2155#discussion_r562458618

* https://github.com/corona-warn-app/cwa-app-android/pull/2155#pullrequestreview-574153478



Co-authored-by: harambasicluka <64483219+harambasicluka@users.noreply.github.com>
Co-authored-by: Ralf Gehrer <ralfgehrer@users.noreply.github.com>