Add implementation of CHASM List/Count Runs #16618

Job	Run time
Set up single test	24s
Pre-build for cache	2m 43s
Misc checks	6m 7s
Unit test	10m 49s
Integration test	10m 25s
Functional test ndc (postgres12_pgx)	3m 46s
Functional test ndc (cass_os2)	4m 54s
Functional test ndc (cass_es8)	3m 29s
Functional test xdc (postgres12)	14m 43s
Functional test ndc (mysql8)	4m 38s
Functional test xdc (postgres12_pgx)	12m 44s
Functional test xdc (cass_es8)	11m 40s
Functional test ndc (cass_es)	3m 28s
Functional test xdc (cass_os2)	13m 38s
Functional test xdc (cass_es)	11m 25s
Functional test ndc (postgres12)	4m 8s
Functional test xdc (mysql8)	12m 22s
Functional test (cass_es, shard 1)	17m 46s
Functional test (cass_es, shard 0)	17m 20s
Functional test (cass_es, shard 2)	15m 3s
Functional test (cass_es8, shard 1)	17m 52s
Functional test (cass_os2, shard 0)	18m 11s
Functional test (sqlite, shard 0)	18m 1s
Functional test (cass_os2, shard 1)	18m 11s
Functional test (sqlite, shard 2)	18m 2s
Functional test (cass_os2, shard 2)	18m 12s
Functional test (cass_es8, shard 0)	16m 32s
Functional test (mysql8, shard 0)	18m 5s
Functional test (postgres12, shard 0)	18m 2s
Functional test (sqlite, shard 1)	18m 1s
Functional test (mysql8, shard 1)	18m 4s
Functional test (mysql8, shard 2)	18m 3s
Functional test (postgres12, shard 2)	16m 18s
Functional test (postgres12, shard 1)	18m 3s
Functional test (postgres12_pgx, shard 1)	18m 0s
Functional test (postgres12_pgx, shard 0)	18m 2s
Functional test (postgres12_pgx, shard 2)	17m 28s
Functional test (cass_es8, shard 2)	13m 40s
Test Status	2s
	8h 18m 21s

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