old_contents: JSERROR_COUNT = 'commcare.jserror.count'
  ERROR_COUNT = 'error.count'
  REPEATER_ERROR_COUNT = 'commcare.repeaters.error'
  MULTIMEDIA_SUBMISSION_ERROR_COUNT = 'corrupt-multimedia-submission.error.count'
  DATE_OPENED_CASEBLOCK_ERROR_COUNT = 'date-opened-caseblock-bug.error.count'
  
new_contents: JSERROR_COUNT = 'commcare.jserror.count'
  ERROR_COUNT = 'error.count'
  REPEATER_ERROR_COUNT = 'commcare.repeaters.error'
  DATE_OPENED_CASEBLOCK_ERROR_COUNT = 'date-opened-caseblock-bug.error.count'
  MULTIMEDIA_SUBMISSION_ERROR_COUNT = 'commcare.corrupt-multimedia-submission.error.count'
  
subject: update metric name