The AWS Cloudwatch integration is missing the latency option. This was introduced for the Custom AWS Logs integration but not the Cloudwatch integration. It is available in the Filebeat AWS CloudWatch input.

Latency in the Custom AWS Logs integration:

Same file for AWS Cloudwatch integration that is missing the latency option: https://github.com/elastic/integrations/blob/main/packages/aws/data_stream/cloudwatch_logs/agent/stream/aws-cloudwatch.yml.hbs