Sweeping !20990 from master to 21.3. Use Default List for the ART Grid Inputs in MuonRecRTT (!21053) · Merge requests · atlas / athena · GitLab

Atlas Nightlybuild requested to merge cherry-pick-ead625533b-21.3 into 21.3 Feb 12, 2019

Use Default List for the ART Grid Inputs in MuonRecRTT

See merge request !20990 (merged)