Update example to use `save` instead of `saveContent`
Update example to use `save` instead of `saveContent`

This means that there's only one path which always uses the `getContent`
callback, so we don't have to keep both paths in sync.

concord-consortium/cloud-file-manager,concord-consortium/cloud-file-manager,concord-consortium/cloud-file-manager,concord-consortium/cloud-file-manager