dynamically update metadata for ns_server metrics

Change-Id: Iea56dfd943d6e9659c8a192303596fddc5d37dc5
always run metadata updates

Change-Id: I795a04ce632e241e4f08fd39ee7c68df7fe2ad72
bump up release version

Change-Id: I67888c103846e875bdbc1bf44c1ebc4bda9a629c