Music video provider Vevo may have signed deals with both Apple and Samsung to provide streaming and on-demand content. For Apple, the deal will likely mean a new app on Apple TV, possibly coming as early as later this week. For Samsung, Vevo is allegedly providing the content for the Korean company’s smart TV lineup. The on-demand music video service would be similar to the content already provided to Microsoft’s Xbox, reports say, but the new deals add a second channel that would stream videos 24 hours a day….