General manager John Spytek was well on his way to another quiet, solid draft that was steadily compiling pieces for what the Las Vegas Raiders hope will be a strong foundation from which to build a consistent winner. Then he decided to make a lot of noise. Spytek made one of the boldest moves of the draft by trading up one spot to the top of the fourth round and took Tennessee cornerback Jermod McCoy with the first pick on Saturday morning before many fans had poured their first mimosa. It was a sign of a confidence that quietly has been growing in him as he goes through his first full offseason running the organization. He’s undoubtedly putting his stamp on things. While his first season was clouded by ambiguity about whether he or former coach Pete Carroll had the ultimate authority over decision-making, this is Spytek’s team. It appears that identity is going to be one exemplified by a series of safe, calculated maneuvers that allows him the flexibility to strike when a big opportunity arises.…