message: [BUG] Addition of stdDev metric support has broken custom metric reporting from
diff: @@ -254,7 +254,7 @@ export function MetricEnvelopeCreator(logger: IDiagnosticLogger, telemetryItem:
  if (!isNullOrUndefined(customUndefinedValue)) {
  _convertPropsUndefinedToCustomDefinedValue(props, customUndefinedValue);
  }
  - const baseMetricData = new Metric(logger, baseData.name, baseData.average, baseData.sampleCount, baseData.min, baseData.max, props, measurements);
  + const baseMetricData = new Metric(logger, baseData.name, baseData.average, baseData.sampleCount, baseData.min, baseData.max, baseData.stdDev, props, measurements);
  const data = new Data<Metric>(Metric.dataType, baseMetricData);
  return _createEnvelope<Metric>(logger, Metric.envelopeType, telemetryItem, data);
  }
  