Rename historical records if printer name changed.

We keep track of previously used printers. It is possible that the name
of a previously used printer changed. In this case we want to change
this printer's name in the historical records to be able to show the
correct name in the UI when loading the history.

bug:13524346

Change-Id: I0a37bd52a564df5a84c816abfcf03db83de93b97