Add Ansible.ModuleUtils.PrivilegeUtil and converted code to use it (#43179)

* Add Ansible.ModuleUtils.PrivilegeUtil and converted code to use it

* Changed namespace and class to be a better standard and fixed some typos

* Changes from review

* changes to avoid out of bound mem of server 2008

* changes to detect failure when setting a privileged not allowed

test/integration/targets/win_module_utils/tasks/main.yml

@@ -135,3 +135,11 @@
 - assert:
     that:
     - file_util_test.data == 'success'
+
+- name: call module with PrivilegeUtil tests
+  privilege_util_test:
+  register: privilege_util_test
+
+- assert:
+    that:
+    - privilege_util_test.data == 'success'