Use new openstackclient tag

The new openstackclient tag was added so that we can get all resources
about openstack CLI more easily. This adds this tag to aodhclient
because the package provides some sub-commands.

Change-Id: Iaa9e1b818e8cb337e41688dc956a17193656ed3e

manifests/client.pp

@@ -16,7 +16,7 @@ class aodh::client (
   package { 'python-aodhclient':
     ensure => $ensure,
     name   => $::aodh::params::client_package_name,
-    tag    => 'openstack',
+    tag    => ['openstack', 'openstackclient'],
   }
 
   include openstacklib::openstackclient

spec/classes/aodh_client_spec.rb

@@ -11,7 +11,7 @@ describe 'aodh::client' do
       is_expected.to contain_package('python-aodhclient').with(
         :ensure => 'present',
         :name   => 'python3-aodhclient',
-        :tag    => 'openstack',
+        :tag    => ['openstack', 'openstackclient'],
       )
     end