go/svc/(dc stuff) -> dc/

We want to start keeping codebases separated per 'team'/intent, to then
have simple OWNER files/trees to specify review rules.

This means dc/ stuff can all be OWNED by q3k, and review will only
involve a +1 for style/readability, instead  of a +2 for approval.

Change-Id: I05afbc4e1018944b841ec0d88cd24cc95bec8bf1
36 files changed