LR-521 Merging Release 5.2.0 to master (#556)

* LR-329 - changes for telemetry version (#542)
* Issue #LR-324 feat: Refactoring of SB Lern Batch Service - Druid dependency (#544)
* Issue #LR-325 feat: Refactoring of SB Lern Batch Service - DialCode Dependency (#547)
* LR-324 - revert commit on druid changes (#552)

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Co-authored-by: Jayaprakash8887 <Jayaprakash.narayanaswamy@tarento.com>
Co-authored-by: Bharathwaj <32808916+BharathwajShankar@users.noreply.github.com>