Imports of package install

PathSynopsis
github.com/google/cadvisor/container/containerd/installThe install package registers containerd.NewPlugin() as the "containerd" container provider when imported
github.com/google/cadvisor/container/crio/installThe install package registers crio.NewPlugin() as the "crio" container provider when imported
github.com/google/cadvisor/container/docker/installThe install package registers docker.NewPlugin() as the "docker" container provider when imported
github.com/google/cadvisor/container/mesos/install
github.com/google/cadvisor/container/systemd/installThe install package registers systemd.NewPlugin() as the "systemd" container provider when imported