Summary: Need new proto messages for the Query Flags and also wanted to add flags to QueryResult . Need query result message in the planner, will update in the following diff with that change.

Test Plan: tests pass, this is just a refactor + new definition

Reviewers: nserrino, jamesbartlett, michelle, zasgar, #engineering

Reviewed By: nserrino, #engineering

Differential Revision: https://phab.corp.pixielabs.ai/D3371

GitOrigin-RevId: 0c47471eb11223299c84d4b43d0adf0779420908