Project: datamanagement
Issue DM-4956: Adapt SRD-based measurements of astrometric performance for validate_drp
Adapt the SRD-based specifications for calculation of astrometric performance. Follow the examples for AM1, AM2 as presented at https://confluence.lsstcorp.org/pages/viewpage.action?pageId=41785659 and detailed in DM-3057, DM-3064
Story points: 4