The Las Vegas Raiders are one of five teams that do not have a primetime appearance on the NFL schedule that was announced Thursday. That doesn’t mean they won’t find themselves featured prominently on national television this season. “That’s what flexible scheduling is for,” NFL Vice President of Broadcast Planning Mike North said on a Friday morning conference call. “That’s why we put it in and why we work with our partners every year to ensure the teams that have played their way into bigger television windows have an opportunity to be rewarded when we get into November and December.” The Raiders, who are coming off a 3-14 record but appear to be trending in a positive direction moving forward after a strong offseason, also do not have an international game this season and will have the longest drought in the league without an appearance outside the United States by the time the season ends.…