Fixes to get full bootstrap working for non-hive-style partitioned tables and unit tests

[umehrot2]

• Fix in path generation to get it working for S3 paths
• Schema fixes we discussed offline to maintain consistency

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Brief change log

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• Modify AnnotationLocation checkstyle rule in checkstyle.xml

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• Added integration tests for end-to-end.
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Committer checklist

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[codecov-commenter]

Codecov Report

Merging #28 into hudi_bootstrap will increase coverage by 0.00%.
The diff coverage is 0.44%.

@@                Coverage Diff                @@
##             hudi_bootstrap     #28    +/-   ##
=================================================
  Coverage              0.57%   0.57%            
  Complexity                2       2            
=================================================
  Files                   375     380     +5     
  Lines                 16482   16730   +248     
  Branches               1631    1674    +43     
=================================================
+ Hits                     94      96     +2     
- Misses                16385   16631   +246     
  Partials                  3       3            

Impacted Files	Coverage Δ	Complexity Δ
...java/org/apache/hudi/client/HoodieWriteClient.java	0.00% <0.00%> (ø)	0.00 <0.00> (ø)
...rg/apache/hudi/client/bootstrap/BootstrapMode.java	0.00% <0.00%> (ø)	0.00 <0.00> (ø)
...lient/bootstrap/BootstrapSourceSchemaProvider.java	0.00% <0.00%> (ø)	0.00 <0.00> (ø)
...i/client/bootstrap/FullBootstrapInputProvider.java	0.00% <ø> (ø)	0.00 <0.00> (ø)
...lient/bootstrap/MetadataBootstrapKeyGenerator.java	0.00% <0.00%> (ø)	0.00 <0.00> (?)
...ap/translator/IdentityBootstrapPathTranslator.java	0.00% <0.00%> (ø)	0.00 <0.00> (?)
...ator/MetadataBootstrapPartitionPathTranslator.java	0.00% <0.00%> (ø)	0.00 <0.00> (?)
...java/org/apache/hudi/config/HoodieWriteConfig.java	0.00% <0.00%> (ø)	0.00 <0.00> (ø)
.../main/java/org/apache/hudi/keygen/KeyGenUtils.java	0.00% <0.00%> (ø)	0.00 <0.00> (?)
...main/java/org/apache/hudi/keygen/KeyGenerator.java	0.00% <0.00%> (ø)	0.00 <0.00> (?)
... and 42 more

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