Add histogram metrics for docker machine creation
What does this MR do?
Adds a histogram for docker machine creation time.
Why was this MR needed?
Improve insight into docker interaction with VM creation.
Are there points in the code the reviewer needs to double check?
Does this MR meet the acceptance criteria?
- Documentation created/updated
- Added for this feature/bug
- All builds are passing
Branch has no merge conflicts with
master(if you do - rebase it please)