Support Update (Replace) operation for DS Passtrough-Running in DMI Plugin

• Modify existing endpoints to include both put and post requests.
• Make currently implemented API's backwards compatible with new implementation
• Java API Method
• Implement use SDNC Operations class: org.onap.cps.ncmp.dmi.service.operation.SdncOperations

Use same flow as get and create end point

SDN-C Interface details are described here : https://wiki.onap.org/display/DW/CPS-395+Spike%3A+SDNC+Interface+for+CRUD+and+Patch+Operations

Rest Endpoint defined on https://wiki.onap.org/display/DW/CPS-390+Spike%3A+Define+and+Agree+DMI+Plugin+REST+Interface

Functionality defined in #2 in table below

https://wiki.onap.org/display/DW/CPS-391Spike%3A+Define+and+Agree+NCMP+REST+Interface#CPS391Spike:DefineandAgreeNCMPRESTInterface-Datastore,PathsandFormatCombinationsforWriteOperations

A/C

1. Agree term used across all interfaces 'update' or 'replace'. Should not clash/confused with 'path' operations.
2. Good en clear OpenAPI definitions including examples
3. Agree and implement/document HTTP Error Code for invalid Operation 400/500?
   1. record on https://wiki.onap.org/display/DW/CPS+Exceptions+and+REST+API+HTTP+Response+Codes (add section for DMI Plugin)
4. E2E test using CSIT (incl. demo to team)
5. Update Release notes with OpenApi