With Amazon recently confirming its long-rumored custom Linux-based operating system, coined Vega, while smart TV maker Vizio has been showered with praise for its aggressive entrance into third-party licensing of its SmartCast OS, it is obvious that this trend of TV OS fragmentation will at some point reverse. Yes, Amazon has already been present in this space with its Fire TV-branded smart TVs and streaming dongles, based on Android Open Source Platform (AOSP), but the investment in a proprietary TV OS stack shows Amazon is as serious about streaming as it is about cloud computing and Black Friday deals. As a result, Amazon’s Vega play will accelerate the pace of TV OS consolidation, and while the cloud-retail behemoth’s shift away…