Update btrfs dependencies in docs for debian buster and ubuntu 19.10 * Fixes: #4090
Update btrfs dependencies in docs for debian buster and ubuntu 19.10
* Fixes: #4090

Signed-off-by: Sai Harsha Kottapalli  <592579cd86675ebacaeaddf7fc8d4fca2c4a038f@gmail.com>

containerd/containerd,thaJeztah/containerd,estesp/containerd,estesp/containerd,crosbymichael/containerd,mikebrow/containerd,thaJeztah/containerd,mikebrow/containerd,vdemeester/containerd,containerd/containerd,dmcgowan/containerd,vdemeester/containerd,crosbymichael/containerd,dmcgowan/containerd