Two sizable technical tectonic plates have shifted in the German TV market this week, one each attached to operator titans Deutsche Telekom and Vodafone Deutschland. DT has quietly started rolling out the new Magenta TV One set top, a premium Android TV device, while Vodafone has just injected a dose of Velocix CDN technology into its growing German footprint. By quietly, we mean that DT has not issued any official press release, which is something we have become accustomed to in the German pay TV market, with Vodafone often opting for a similar under-the-radar strategy. Make no bones about it, there is nothing quiet about the battle these two heavyweights are engaged in – Magenta TV versus Vodafone TV (also…