No. Golang hasn't had an official/pretty-much-official dependency management system. The community recommends some tools over others, but that's about it.
With dep it is a bit different - the creators were google engineeers and they wanted it to become the official tool, with integration as a go subcommand etc.pp. - but that was never signed off by Pike or any other lead, only confirmed that it would be a possibility if the tools performs well.
With vgo its similar to dep - a proof of concept to see _if_ it works nicely.
Regarding a library multiple tools can use; Yes, that would be a nice thing - however when designing such a tool _and_ a library at the same time you will get into bigger problems. Generally you'll want a library designed by someone who already solved a given problem in at least one way. That brings enough experience to make the correct architectural decisions early on as well as a good, usable API.
I'm happy that we don't just get half-assed solutions just to have one. I have seen enough projects go to shit because a major step in the project was reconsidered a few times before management put a lock on it because it went through 'enough' revisions.