AVoD 2020 fever has prompted both NBCUniversal and Fox into circling acquisition prospects, which both seem to be more about clearing the field of competition than about adding any genuine differentiating features to each company’s ad-supported video strategy. More immediately disruptive is Comcast’s acquisition of Xumo this week, confirming rumors which began circulating towards the close of the year. As Faultline reported some six weeks ago, Xumo would essentially buy Comcast some invaluable time to build Peacock into a formidable and monetizable offering, by providing some stickiness to the wilting cable TV business via its numerous content partners. Of course, Xumo’s ad-supported streaming app is already available on Xfinity set tops. Both are ad-supported streaming services, yet Xumo is not…