[xCluster][YB-ADMIN] Need latest changes' update on yb-admin utility commands for xCluster

[Arjun-yb]

Jira Link: DB-1298
xCluster related yb-admin commands need to be updated with latest changes with respect to UI.
In all below commands it is required to add <producer_universe_uuid>_<replication_group_name> instead of only <producer_universe_uuid>

1. setup_universe_replication <producer_universe_uuid> <producer_master_addresses> <comma_separated_list_of_table_ids> [comma_separated_list_of_producer_bootstrap_ids]
2. delete_universe_replication <producer_universe_uuid> [ignore-errors]
3. alter_universe_replication <producer_universe_id> {set_master_addresses [comma_separated_list_of_producer_master_addresses] |  add_table [comma_separated_list_of_table_ids]            [comma_separated_list_of_producer_bootstrap_ids] |  remove_table [comma_separated_list_of_table_ids] |  rename_id <new_producer_universe_id>}
4. set_universe_replication_enabled <producer_universe_uuid> <0|1>