Java bindings for regex replace

[jlowe]

This adds Java bindings for cudf::strings::replace_re.

[codecov]

Codecov Report

Merging #8847 (6f9c793) into branch-21.10 (18f7c01) will decrease coverage by 0.08%.
The diff coverage is 0.00%.

❗ Current head 6f9c793 differs from pull request most recent head fcddd33. Consider uploading reports for the commit fcddd33 to get more accurate results

@@               Coverage Diff                @@
##           branch-21.10    #8847      +/-   ##
================================================
- Coverage         10.67%   10.59%   -0.09%     
================================================
  Files               110      116       +6     
  Lines             18271    19032     +761     
================================================
+ Hits               1951     2017      +66     
- Misses            16320    17015     +695     

Impacted Files	Coverage Δ
python/cudf/cudf/__init__.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/__init__.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/column/categorical.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/column/column.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/column/lists.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/column/numerical.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/column/string.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/column/struct.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/dataframe.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/frame.py	0.00% <0.00%> (ø)
... and 74 more

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[jlowe]

rerun tests

[jlowe]

@gpucibot merge