score:5
Arrest? No.
Understand, however, that there is a CBP policy that they can search your electronic devices. As in they will demand you unlock your device and let them search (likely copy) the data on your device(s), and will detain you until you do. That inexplicably happened to a NASA engineer.
If I were you, I'd avoid poking that bear. Someone in CBP might see the sticker and demand a search. If you object, they'll point to the sticker and say "Well, you claim it's already been searched..."