HP Print Service Plugin has nothing to do with Verizon. HP partnered with Google to bundle their print plugin with Android to show off Android 4.4's new printing support. Even Nexus phones come with that.
Moto X GSM Unlocked
HTC One Unlocked, Nexus 4, iPhone 5, Galaxy Nexus, iPhone 4S, HTC One X, Nokia Lumia 800, HTC Titan, Samsung Galaxy S II, Samsung Infuse, LG Thrill, HTC Inspire, Samsung Captivate, HTC Aria, Samsung BlackJack II