Sweeping !24562 from 21.3 to 21.9. Use MuonIdHelperTool only in MuonTrackSummaryHelperTool (!24680) · Merge requests · atlas / athena · GitLab

Atlas Nightlybuild requested to merge cherry-pick-9be648c890-21.9 into 21.9 Jul 06, 2019

Use MuonIdHelperTool only in MuonTrackSummaryHelperTool

See merge request !24562 (merged)