Fixed up gating test to accommodate the removal of python-based VDO Manager.
- Related: rhbz#1949159
Rebased to upstream candidate.
- Resolves: rhbz#1955374
Removed all python based tools, and all management should now be done with
LVM.
- Resolves: rhbz#1949159
vdostats is now a C program
- Resolves: rhbz#1972302