[PR] HDDS-11020. Implement RoundRobinPipelineChoosePolicy [ozone]

["smengcl (via GitHub)" <gi...@apache.org>]

smengcl opened a new pull request, #6832:
URL: https://github.com/apache/ozone/pull/6832

   ## What changes were proposed in this pull request?
   
   Implement `RoundRobinPipelineChoosePolicy` for test case `TestOzoneClientRetriesOnExceptions#testMaxRetriesByOzoneClient`, in order to make sure the test is properly run every time instead of depending on the randomness in `RandomPipelineChoosePolicy`.
   
   `Assume.assumeFalse(containerList.contains(containerID))` was added in HDDS-4577 (#1689) to skip the test if the case of each block being in a different container is not satisfied. That can now be guaranteed with `RoundRobinPipelineChoosePolicy` and has thus been switched to `assert`.
   
   At this moment, `RoundRobinPipelineChoosePolicy` might only be useful for testing and debugging purposes.
   
   
   ## What is the link to the Apache JIRA
   
   https://issues.apache.org/jira/browse/HDDS-11020
   
   
   ## How was this patch tested?
   
   - Added UT.


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