Add Java API to deserialize a table to host columns

[jlowe]

Adds a new JCudfSerialization API to deserialize a serialized table to host columns. This is useful for applications that need to examine data sent over the network from a cudf process without requiring the receiving process to have a GPU bound to that process.

[codecov]

Codecov Report

Merging #9402 (34d2b7c) into branch-21.12 (ab4bfaa) will decrease coverage by 0.03%.
The diff coverage is 0.00%.

@@               Coverage Diff                @@
##           branch-21.12    #9402      +/-   ##
================================================
- Coverage         10.79%   10.75%   -0.04%     
================================================
  Files               116      116              
  Lines             18869    19482     +613     
================================================
+ Hits               2036     2096      +60     
- Misses            16833    17386     +553     

Impacted Files	Coverage Δ
python/cudf/cudf/__init__.py	0.00% <0.00%> (ø)
python/cudf/cudf/_lib/__init__.py	0.00% <ø> (ø)
python/cudf/cudf/core/_base_index.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/datetime.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/timedelta.py	0.00% <0.00%> (ø)
... and 77 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 4d6ecd1...34d2b7c. Read the comment docs.

[abellina]

@gpucibot merge