update nb-x-k12 translation
update nb-x-k12 translation

Change-Id: Icdd49deef1fb5e36b47359e248822a376fcba7f0

djbender/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,djbender/canvas-lms