Disable features for finch test config of UsePredictorDNSQueue

testing/variations/fieldtrial_testing_config_android.json

 {
     "AndroidSessionNotifications": [
         {
             "group_name": "Disabled"
         }
     ],
     "AsyncDns": [
         {
             "group_name": "AsyncDnsA"
         },
@@ skipping 440 matching lines @@
         },
         {
             "group_name": "Default",
             "params": {
                 "enable_update_menu_item": "false"
             }
         }
     ],
     "UsePredictorDNSQueue": [
         {
+            "disable_features": [
+                "UsePredictorDNSQueue"
+            ],
             "group_name": "Disabled"
         }
     ],
     "V8CacheStrategiesForCacheStorage": [
         {
             "group_name": "none"
         },
         {
             "group_name": "normal"
         },
@@ skipping 26 matching lines @@
     ],
     "use-new-media-cache": [
         {
             "enable_features": [
                 "use-new-media-cache"
             ],
             "group_name": "Enabled"
         }
     ]
 }