[BEAM-12104] Java WordCountIT (Dataflow runner) on Ubuntu 20.04 GHA image (#14915)
[BEAM-12104] Java WordCountIT (Dataflow runner) on Ubuntu 20.04 GHA image (#14915)

* [BEAM-12104] Set java-version=8 in wordcount dataflow CI job

* [BEAM-12104] Uncomment lines

* [BEAM-12104] Add spacing
chamikaramj/beam,apache/beam,lukecwik/incubator-beam,apache/beam,lukecwik/incubator-beam,lukecwik/incubator-beam,robertwb/incubator-beam,chamikaramj/beam,robertwb/incubator-beam,apache/beam,chamikaramj/beam,lukecwik/incubator-beam,chamikaramj/beam,lukecwik/incubator-beam,chamikaramj/beam,chamikaramj/beam,lukecwik/incubator-beam,apache/beam,chamikaramj/beam,chamikaramj/beam,robertwb/incubator-beam,lukecwik/incubator-beam,lukecwik/incubator-beam,lukecwik/incubator-beam,robertwb/incubator-beam,lukecwik/incubator-beam,apache/beam,robertwb/incubator-beam,chamikaramj/beam,apache/beam,apache/beam,robertwb/incubator-beam,robertwb/incubator-beam,robertwb/incubator-beam,apache/beam,chamikaramj/beam,apache/beam,robertwb/incubator-beam,apache/beam,robertwb/incubator-beam,apache/beam