OPENDJ-2944 When building the rebuild-index command create a new argument list

Fabio Pistolesi

15.47.2016 0e1e9090b46ea7aadb19b7071194976cc483ffb9

OPENDJ-2944 When building the rebuild-index command create a new argument list

Trying to run rebuild-index during upgrade tried to modify a singleton when adding arguments to the command.
Switch to build a new argument list inside the method running rebuild index instead.

 opendj-server-legacy/src/main/java/org/opends/server/tools/upgrade/UpgradeTasks.java

@@ -707,12 +707,13 @@
      }

      private void rebuildIndex(final LocalizableMessage infoMsg, final UpgradeContext context,
          final Set<String> baseDNs, final List<String> args) throws ClientException
          final Set<String> baseDNs, final List<String> baseArgs) throws ClientException
      {
        final ProgressNotificationCallback pnc = new ProgressNotificationCallback(INFORMATION, infoMsg, 25);
        logger.debug(infoMsg);
        context.notifyProgress(pnc);

        List<String> args = new ArrayList<>(baseArgs);
        args.add("--configFile");
        args.add(CONFIG_FILE_PATH);
        for (final String be : baseDNs)