cmd/godoc: add x/lint and x/vgo redirects
cmd/godoc: add x/lint and x/vgo redirects

Change-Id: I6e21f167091338600c2a0a37411b0a565d27ce36
Reviewed-on: https://go-review.googlesource.com/96196
Run-TryBot: Andrew Bonventre <682ad9f487f614f19e8b7cc5d340bdc8e1c1b128@golang.org>
Reviewed-by: Brad Fitzpatrick <ae9783c0b0efc69cd85ab025ddd17aa44cdc4aa5@golang.org>
TryBot-Result: Gobot Gobot <66cb808b70d30c07676d5e946fee83fd561249e5@golang.org>

golang/tools,golang/tools,golang/tools,golang/tools,golang/tools