What does this PR do?

Fixes the query method for the WebHDFS adapter to include failed resources from previous replication runs. The QueryRequest passed to the query method contains a list of failed item IDs from the previous run of replication. These items should be included in the next run to retry creating them in DDF.

Who is reviewing it (please choose AT LEAST two reviewers that need to approve the PR before it can get merged)?

@cjlange
@aaronilovici
@josephthweatt

How should this be tested? (List steps with links to updated documentation)

1. Build and install replication.
2. Configure a replication job with the HDFS instance as the source and DDF as the destination.
3. Upload some files to HDFS to be replicated.
4. Connect a remote debugger to DDF and set a breakpoint on line 302 in DdfNodeAdapter.
5. When the breakpoint gets hit, set the value of the response variable to null.
6. Resume execution in the debugger and verify an error for creating the metadata gets printed in the logs.
7. On the next replication run, verify a line gets printed in the logs that says "Found failed item IDs: [...]" with the failed ID inside the brackets.
8. Verify the failed item gets successfully replicated after that run.

Any background context you want to provide?

Integration tests are not included in this pull request.

What are the relevant tickets?

Fixes #331

Screenshots (if appropriate)

Checklist:

• Documentation Updated
• Update / Add Unit Tests
• Update / Add Integration Tests