Bug#845149: containerd FTBFS in stretch due to missing golang-github-docker-docker-dev

[Adrian Bunk]

Source: containerd
Version: 0.2.1~ds1-3
Severity: serious
Tags: stretch
Control: block -1 by 832103 835686 842806 843530

containerd build-depends on golang-github-docker-docker-dev,
which is not in stretch due to #832103, #835686, #842806, #843530