Multi-GPU reduce_v & transform_reduce_v bug fix.

[seunghwak]

No description provided.

[codecov-commenter]

Codecov Report

Merging #2269 (fd432f6) into branch-22.06 (38be932) will decrease coverage by 6.84%.
The diff coverage is n/a.

@@               Coverage Diff                @@
##           branch-22.06    #2269      +/-   ##
================================================
- Coverage         70.82%   63.97%   -6.85%     
================================================
  Files               170      100      -70     
  Lines             11036     4436    -6600     
================================================
- Hits               7816     2838    -4978     
+ Misses             3220     1598    -1622     

Impacted Files	Coverage Δ
python/cugraph/cugraph/__init__.py	100.00% <ø> (ø)
python/cugraph/cugraph/centrality/__init__.py	100.00% <ø> (ø)
...graph/cugraph/centrality/betweenness_centrality.py	89.65% <ø> (ø)
...on/cugraph/cugraph/centrality/degree_centrality.py	81.81% <ø> (ø)
...thon/cugraph/cugraph/centrality/katz_centrality.py	88.23% <ø> (-1.24%)	⬇️
python/cugraph/cugraph/community/egonet.py	97.36% <ø> (ø)
...ython/cugraph/cugraph/community/ktruss_subgraph.py	85.29% <ø> (ø)
...cugraph/cugraph/dask/centrality/katz_centrality.py	25.00% <ø> (ø)
python/cugraph/cugraph/dask/common/input_utils.py	22.13% <ø> (+0.57%)	⬆️
python/cugraph/cugraph/dask/common/mg_utils.py	30.43% <ø> (-7.07%)	⬇️
... and 130 more

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[BradReesWork]

@gpucibot merge