Lucene recently added `overlapping`, `before` and `after` filters to the intervals package. This
commit exposes them in elasticsearch.

…ate-file

* elastic/master:
  Remove tests and branches that will never execute (elastic#38772)
  also check ccr stats api return empty response in ensureNoCcrTasks()
  Add overlapping, before, after filters to intervals query (elastic#38999)
  Mute test elastic#38949
  Add remote recovery to ShardFollowTaskReplicationTests (elastic#39007)
  [ML] More advanced post-test cleanup of ML indices (elastic#39049)
  wait for shard to be allocated before executing a resume follow api
  Update track-total-hits.asciidoc
  Force kill testcluster nodes (elastic#37353)
  Make pullFixture a task dependency of resolveAllDependencies (elastic#38956)
  set minimum supported version (elastic#39043)
  Enforce Completion Context Limit (elastic#38675)
  Mute test
  Don't close caches while there might still be in-flight requests. (elastic#38958)
  Fix elastic#38623 remove xpack namespace REST API (elastic#38625)
  Add data frame feature (elastic#38934)
  Test bi-directional index following during a rolling upgrade. (elastic#38962)
  Generate mvn pom for ssl-config library (elastic#39019)
  Mute testRetentionLeaseIsRenewedDuringRecovery

…interval filters (#39062)

Follow up to #38999, this commit re-enables backwards-compatibility REST tests
for `before`, `after` and `overlapping` filters against versions 7.1 and up.