Driver=none 'CHANGE_MINIKUBE_NONE_USER' regression in v1.3.0

[arm4b]

Problem
Regression in recent minikube v1.3.0 when CHANGE_MINIKUBE_NONE_USER=true stopped to work properly.
It's expected to set .minikube dir ownership to the user running sudo when vmdriver=none (per CI testing example), however root is used.

Most probably regression introduced in #4737 and so chown is not executed as a last step when cluster is started.

The exact command to reproduce the issue:

$ whoami
circleci

$ CHANGE_MINIKUBE_NONE_USER=true sudo -E minikube-1.3.0 start --vm-driver=none

Unexpected files ownership (root):

$ sudo ls -la ~/.minikube/
total 80
drwxr-xr-x 10 root     root     4096 Aug  7 22:47 .
drwxr-xr-x 19 circleci circleci 4096 Aug  7 22:48 ..
drwxr-xr-x  2 root     root     4096 Aug  7 22:47 addons
-rw-r--r--  1 root     root     1298 Aug  7 22:47 apiserver.crt
-rw-------  1 root     root     1679 Aug  7 22:47 apiserver.key
drwxr-xr-x  4 root     root     4096 Aug  7 22:47 cache
-rw-r--r--  1 root     root     1066 Aug  7 22:47 ca.crt
-rw-------  1 root     root     1675 Aug  7 22:47 ca.key
drwxr-xr-x  2 root     root     4096 Aug  7 22:47 certs
-rw-r--r--  1 root     root     1103 Aug  7 22:47 client.crt
-rw-------  1 root     root     1679 Aug  7 22:47 client.key
drwxr-xr-x  2 root     root     4096 Aug  7 22:47 config
drwxr-xr-x  2 root     root     4096 Aug  7 22:47 files
drwxr-xr-x  2 root     root     4096 Aug  7 22:47 logs
drwxr-xr-x  3 root     root     4096 Aug  7 22:47 machines
drwx------  3 root     root     4096 Aug  7 22:47 profiles
-rw-r--r--  1 root     root     1074 Aug  7 22:47 proxy-client-ca.crt
-rw-------  1 root     root     1679 Aug  7 22:47 proxy-client-ca.key
-rw-r--r--  1 root     root     1103 Aug  7 22:47 proxy-client.crt
-rw-------  1 root     root     1679 Aug  7 22:47 proxy-client.key

Comparing to minikube 1.2.0 with correct files ownership:

$ whoami
circleci

$ CHANGE_MINIKUBE_NONE_USER=true sudo -E minikube-1.2.0 start --vm-driver=none

$ sudo ls -la ~/.minikube/
total 84
drwxr-xr-x 10 circleci circleci 4096 Aug  7 23:00 .
drwxr-xr-x 19 circleci circleci 4096 Aug  7 23:00 ..
drwxr-xr-x  2 circleci circleci 4096 Aug  7 23:00 addons
-rw-r--r--  1 circleci circleci 1298 Aug  7 23:00 apiserver.crt
-rw-------  1 circleci circleci 1675 Aug  7 23:00 apiserver.key
drwxr-xr-x  4 circleci circleci 4096 Aug  7 23:00 cache
-rw-r--r--  1 circleci circleci 1066 Aug  7 23:00 ca.crt
-rw-------  1 circleci circleci 1679 Aug  7 23:00 ca.key
drwxr-xr-x  2 circleci circleci 4096 Aug  7 23:00 certs
-rw-r--r--  1 circleci circleci 1103 Aug  7 23:00 client.crt
-rw-------  1 circleci circleci 1675 Aug  7 23:00 client.key
drwxr-xr-x  2 circleci circleci 4096 Aug  7 23:00 config
drwxr-xr-x  2 circleci circleci 4096 Aug  7 23:00 files
-rw-r--r--  1 circleci circleci   29 Aug  7 23:00 last_update_check
drwxr-xr-x  2 circleci circleci 4096 Aug  7 23:00 logs
drwxr-xr-x  3 circleci circleci 4096 Aug  7 23:00 machines
drwx------  3 circleci circleci 4096 Aug  7 23:00 profiles
-rw-r--r--  1 circleci circleci 1074 Aug  7 23:00 proxy-client-ca.crt
-rw-------  1 circleci circleci 1675 Aug  7 23:00 proxy-client-ca.key
-rw-r--r--  1 circleci circleci 1103 Aug  7 23:00 proxy-client.crt
-rw-------  1 circleci circleci 1675 Aug  7 23:00 proxy-client.key

The operating system version:
Ubuntu 16.04.5 LTS