Fix use of become_user by installing acl package

Change-Id: I69bf810632d09eddaa3983ae56e833debe9fd03b

ansible/roles/dev-tools/defaults/main.yml

 ---
 # List of default packages to install.
 dev_tools_packages_default:
+  # NOTE(mgoddard): The acl package is required for the setfacl command, used by
+  # become_user.
+  - acl
   - bash-completion
   - tcpdump
   - vim

ansible/roles/pip/tasks/pip_conf.yml

 ---
-# NOTE(mgoddard): The acl package is required for the setfacl command, used by
-# become_user.
-- name: Ensure acl package is installed
-  package:
-    name: acl
-    cache_valid_time: "{{ apt_cache_valid_time if ansible_facts.os_family == 'Debian' else omit }}"
-    update_cache: "{{ True if ansible_facts.os_family == 'Debian' else omit }}"
-  become: true
-
 - name: Create local .pip directory
   file:
     path: "~{{ item }}/.pip"

releasenotes/notes/install-acl-package-0f21c110cd07537c.yaml

+---
+fixes:
+  - |
+    Fixes an issue where a custom playbook using `become_user` could fail when
+    setting permissions on temporary files. The `acl` package is now installed
+    on all systems by default.