sql: disable some aggregation tests that crash distsql
sql: disable some aggregation tests that crash distsql

Disabling some recently added tests that crash distsql. These work with
regular sql because of a temporary fix (#12733); the underlying issue is
tracked by #12525.

glycerine/cockroach,glycerine/cockroach,maxlang/cockroach,vaibhavarora/cockroach,maxlang/cockroach,vaibhavarora/cockroach,glycerine/cockroach,paperstreet/cockroach,vaibhavarora/cockroach,vaibhavarora/cockroach,maxlang/cockroach,glycerine/cockroach,paperstreet/cockroach,glycerine/cockroach,paperstreet/cockroach,maxlang/cockroach,vaibhavarora/cockroach,paperstreet/cockroach,paperstreet/cockroach,maxlang/cockroach,maxlang/cockroach,glycerine/cockroach,paperstreet/cockroach,vaibhavarora/cockroach,paperstreet/cockroach,maxlang/cockroach,vaibhavarora/cockroach,paperstreet/cockroach,maxlang/cockroach,glycerine/cockroach,glycerine/cockroach,vaibhavarora/cockroach