It only applies to criminals and others whose biometrics has been collected by the police. The point of the section of the agreement to which this excerpt is attached is to:

"establish reciprocal cooperation between the competent law enforcement authorities of the United Kingdom [...] and the Member States [...] on the automated transfer of DNA profiles, dactyloscopic data and certain domestic vehicle registration data"

This already happens under existing arrangements between EU Member States, and all this does is continue those mutual arrangements with the UK.