Translate the default settings for this plugin (TimestampAgoFormatter)

Problem/Motivation

API page: https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Field%21P...

Enter a descriptive title (above) relating to class TimestampAgoFormatter, then describe the problem you have found:
Can't translate the default settings for the Field Formatter timestamp_ago.

Steps to reproduce

Proposed resolution

TBA

Remaining tasks

Address failing tests

User interface changes

API changes

Data model changes

Release notes snippet