Reverted deletion of "changed_when: False" for Task "Install python-dnf for...

Reverted deletion of "changed_when: False" for Task "Install python-dnf for latest RedHat versions". Deleted "changed_when: False" on Task "Install latest version of python-apt for Debian distribs" to get notified when kubespray has installed a new package version.

roles/kubernetes/preinstall/tasks/main.yml

@@ -68,12 +68,12 @@
 - name: Install latest version of python-apt for Debian distribs
   apt: name=python-apt state=latest update_cache=yes cache_valid_time=3600
   when: ansible_os_family == "Debian"
-  changed_when: False
 
 - name: Install python-dnf for latest RedHat versions
   command: dnf install -y python-dnf yum
   when: ansible_distribution == "Fedora" and
         ansible_distribution_major_version > 21
+  changed_when: False
 
 - name: Install epel-release on RHEL
   command: rpm -ivh http://dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-5.noarch.rpm