This is a Writer-only change because:

1) Calc does not have the changes sidebar yet.

2) The redlines in Calc have more complex descriptions (like 'Deleted
   column'), so postponing that for now until I have a good list of the
   possible values there so that I can ask for the icons.

Change-Id: I2d9860261d0b690012c3c11cdd97a140f48842bf