Convert swatch-metrics jmx endpoint to REST

Per: https://docs.google.com/spreadsheets/d/1zwHxQ49Fzm-2zWyIJH5qDhRlhXe0uCL7woJ2dMcsoc8/edit#gid=0&fvid=601414088

Convert the following endpoint to rest based endpoints

• performCustomMeteringForOrgId(String orgId, String productTag,
  String endDate, Integer rangeInMinutes)
• QE: update automation accordingly