SERVER-2442: clean up listCollections
SERVER-12517: add listIndexes command
SERVER-2442: listCollections command used in shell
SERVER-12517: listIndexes in mongos
SERVER-14458 swap LegacyReplicationCoordinator for the HybridReplicationCoordinator
SERVER-14458 de-race-conditioning tests found during patch build of hybridReplicationCoordinator
SERVER-14041 enhance secondaryThrottle parameter