Google plans to give multiple mobile-device makers early access to new releases of Android and to sell those devices directly to consumers, said people familiar with the matter. That is a shift from Google's previous practice, when it joined with with only one hardware maker at a time to produce "lead devices," before releasing the software to other device makers. Those lead devices were then sold to consumers through wireless carriers or retailers.

via online.wsj.com

I don't see this avoiding fragmentation.