MD Settings: Network a11y fixes

ui/webui/resources/cr_elements/network/cr_network_list_item.js

Index: ui/webui/resources/cr_elements/network/cr_network_list_item.js
diff --git a/ui/webui/resources/cr_elements/network/cr_network_list_item.js b/ui/webui/resources/cr_elements/network/cr_network_list_item.js
index e483e417b8a5db3aa0270243488bd8018ac1f175..919b35700e3e38deab1b8a85a113678043316e0b 100644
--- a/ui/webui/resources/cr_elements/network/cr_network_list_item.js
+++ b/ui/webui/resources/cr_elements/network/cr_network_list_item.js
@@ -57,11 +57,12 @@ Polymer({
     },
 
     /** Expose the itemName so it can be used as a label for a11y.  */
-    itemName: {
+    ariaLabel: {
       type: String,
       notify: true,
+      reflectToAttribute: true,
       computed: 'getItemName_(item, isListItem)',
-    }
+    },
   },
 
   behaviors: [CrPolicyNetworkBehavior],