_formset_table_row.html missing i18n tag.

Fixes Invalid template error seen when tools/with_venv.sh python
compress is used.

Change-Id: Iee7cabce3473d3c0e0398b01f93e2d1b6d35a868
Closes-Bug: #1381472
Merge "_formset_table_row.html missing i18n tag."