Merge branch...

Merge branch '28.623_Rel17_CR0239_Clarify_reporting_and_monitoring_period_usage_in_SupportedPerfMetricGroup_datatype_yaml' into 'Integration_Rel17_SA5_147_YAML'

28.623 rel17 cr0239 clarify reporting and monitoring period usage in supported perf metric group datatype yaml

See merge request !526