refactor p2 changes

.../osdu/indexer/persistence/ElasticRepositoryDatastore.java

...ava/org/opengroup/osdu/indexer/publish/PublisherImpl.java

...a/org/opengroup/osdu/indexer/util/HeadersInfoGcpImpl.java

...java/org/opengroup/osdu/indexer/util/RequestInfoImpl.java

...oup/osdu/indexer/util/ServiceAccountJwtGcpClientImpl.java

...der/indexer-gcp/src/main/resources/application.properties

...g/opengroup/osdu/indexer/service/CronServiceImplTest.java

...group/osdu/indexer/service/ElasticSettingServiceTest.java

...ngroup/osdu/indexer/service/IndexCopyServiceImplTest.java

...group/osdu/indexer/service/IndexerMappingServiceTest.java

...ngroup/osdu/indexer/service/IndexerSchemaServiceTest.java

...rg/opengroup/osdu/indexer/service/ReindexServiceTest.java

...rg/opengroup/osdu/indexer/service/StorageServiceTest.java

...opengroup/osdu/indexer/service/TenantInfoServiceTest.java

...g/opengroup/osdu/indexer/util/HeadersInfoGcpImplTest.java

...osdu/indexer/util/ServiceAccountJwtGcpClientImplTest.java

testing/maven/settings.xml