[BEAM-13925] Dont double assign committers if author or other reviewer is a committer (#17364)
[BEAM-13925] Dont double assign committers if author or other reviewer is a committer (#17364)


chamikaramj/beam,apache/beam,chamikaramj/beam,chamikaramj/beam,apache/beam,lukecwik/incubator-beam,apache/beam,chamikaramj/beam,lukecwik/incubator-beam,lukecwik/incubator-beam,apache/beam,apache/beam,apache/beam,lukecwik/incubator-beam,chamikaramj/beam,apache/beam,chamikaramj/beam,lukecwik/incubator-beam,lukecwik/incubator-beam,apache/beam,lukecwik/incubator-beam,apache/beam,chamikaramj/beam,chamikaramj/beam,chamikaramj/beam,lukecwik/incubator-beam,lukecwik/incubator-beam,apache/beam,chamikaramj/beam,apache/beam,lukecwik/incubator-beam