Move third party map file config to opensource (#23083)
Move third party map file config to opensource (#23083)

(sapling split of 4963c3567c78c29b827d5572041c0303ff7fcd1f)
foursquare/fsqio,foursquare/fsqio,foursquare/fsqio,foursquare/fsqio,foursquare/fsqio