Security update for containerd, docker, docker-runc, go, go1.11, go1.12, golang-github-docker-libnetwork

This update for containerd, docker, docker-runc, go, go1.11, go1.12, golang-github-docker-libnetwork fixes the following issues: Security issues fixed: - CVE-2019-5736: containerd: Fixing container breakout vulnerability (bsc#1121967). - CVE-2019-6486: go security release, fixing crypto/elliptic CPU DoS vulnerability affecting P-521 and P-384 (bsc#1123013). - CVE-2018-16873: go secuirty release, fixing cmd/go remote command execution (bsc#1118897). - CVE-2018-16874: go security release, fixing cmd/go directory traversal (bsc#1118898). - CVE-2018-16875: go security release, fixing crypto/x509 CPU denial of service (bsc#1118899). Other changes and bug fixes: - Update to containerd v1.2.5, which is required for v18.09.5-ce (bsc#1128376, bsc#1134068). - Update to runc 2b18fe1d885e, which is required for Docker v18.09.5-ce (bsc#1128376, bsc#1134068). - Update to Docker 18.09.5-ce see upstream changelog in the packaged (bsc#1128376, bsc#1134068). - docker-test: Improvements to test packaging (bsc#1128746). - Move daemon.json file to /etc/docker directory (bsc#1114832). - Revert golang(API) removal since it turns out this breaks >= requires in certain cases (bsc#1114209). - Fix go build failures (bsc#1121397).