Chore: Revert back to ubuntu1804-builder

Chore: Revert back to ubuntu1804-builder

jjb/aai/aai-aai-common.yaml
jjb/aai/aai-babel.yaml
jjb/aai/aai-graphadmin.yaml
jjb/aai/aai-graphgraph.yaml
jjb/aai/aai-logging-service.yaml
jjb/aai/aai-model-loader.yaml
jjb/aai/aai-resources.yaml
jjb/aai/aai-rest-client.yaml
jjb/aai/aai-schema-service.yaml
jjb/aai/aai-sparky-be.yaml
jjb/aai/aai-sparky-fe.yaml
jjb/aai/aai-traversal.yaml
jjb/ccsdk/apps.yaml
jjb/cli/cli.yaml
jjb/dcaegen2/dcaegen2-collectors-snmptrap.yaml
jjb/dcaegen2/dcaegen2-services-mapper.yaml
jjb/demo/demo.yaml
jjb/dmaap/dmaap-buscontroller.yaml
jjb/dmaap/dmaap-datarouter.yaml
jjb/dmaap/dmaap-messagerouter-dmaapclient.yaml
jjb/dmaap/dmaap-messagerouter-messageservice.yaml
jjb/externalapi/externalapi-nbi.yaml
jjb/global-defaults.yaml
jjb/holmes/holmes-common.yaml
jjb/holmes/holmes-engine-mgt.yaml
jjb/holmes/holmes-rule-mgt.yaml
jjb/integration/integration-templates.yaml
jjb/integration/integration.yaml
jjb/integration/simulators/nf-simulator/integration-simulators-nf-simulator-simulator-cli.yaml
jjb/lab/lab-templates.yaml
jjb/modeling/modeling-etsicatalog.yaml
jjb/msb/msb-apigateway.yaml
jjb/msb/msb-discovery.yaml
jjb/msb/msb-java-sdk.yaml
jjb/msb/msb-swagger-sdk.yaml
jjb/multicloud/multicloud-framework-java.yaml
jjb/multicloud/multicloud-framework-python.yaml
jjb/multicloud/multicloud-k8s.yaml
jjb/multicloud/multicloud-openstack-vmware-java.yaml
jjb/multicloud/multicloud-openstack-vmware-python.yaml
jjb/multicloud/multicloud-openstack.yaml
jjb/music/music-distributed-kv-store.yaml
jjb/music/music-jar.yaml
jjb/oom/oom-registrator.yaml
jjb/oom/oom-templates.yaml
jjb/oparent/oparent.yaml
jjb/openci/openci-onap-daily-jobs.yaml
jjb/optf/optf-has.yaml
jjb/optf/optf-osdf.yaml
jjb/policy/policy-apex-pdp.yaml
jjb/policy/policy-api.yaml
jjb/policy/policy-common.yaml
jjb/policy/policy-distribution.yaml
jjb/policy/policy-docker-base-common.yaml
jjb/policy/policy-drools-applications.yaml
jjb/policy/policy-drools-pdp.yaml
jjb/policy/policy-gui.yaml
jjb/policy/policy-models.yaml
jjb/policy/policy-pap.yaml
jjb/policy/policy-parent.yaml
jjb/policy/policy-xacml-pdp.yaml
jjb/sdc/sdc-onap-ui-angular.yaml
jjb/sdc/sdc-onap-ui-common.yaml
jjb/sdc/sdc-sdc-be-common.yaml
jjb/sdc/sdc-sdc-distribution-client.yaml
jjb/sdc/sdc-sdc-docker-base.yaml
jjb/sdc/sdc-sdc-pubsub.yaml
jjb/sdc/sdc-sdc-tosca.yaml
jjb/sdc/sdc-sdc-workflow-designer.yaml
jjb/sdnc/sdnc-apps.yaml
jjb/sdnc/sdnc-northbound.yaml
jjb/sdnc/sdnc-oam.yaml
jjb/so/so-libs.yaml
jjb/testsuite/testsuite-python-testing-utils.yaml
jjb/usecaseui/usecase-ui-intent-analysis.yaml
jjb/usecaseui/usecase-ui-nlp.yaml
jjb/usecaseui/usecase-ui-server.yaml
jjb/usecaseui/usecase-ui.yaml
jjb/vfc/vfc-gvnfm-vnflcm-java.yaml
jjb/vfc/vfc-gvnfm-vnflcm-python.yaml
jjb/vfc/vfc-gvnfm-vnfmgr-java.yaml
jjb/vfc/vfc-gvnfm-vnfmgr-python.yaml
jjb/vfc/vfc-gvnfm-vnfres-java.yaml
jjb/vfc/vfc-gvnfm-vnfres-python.yaml
jjb/vfc/vfc-nfvo-db.yaml
jjb/vfc/vfc-nfvo-driver-svnfm-huawei.yaml
jjb/vfc/vfc-nfvo-driver-vnfm-gvnfm-java.yaml
jjb/vfc/vfc-nfvo-driver-vnfm-gvnfm-python.yaml
jjb/vfc/vfc-nfvo-driver-vnfm-svnfm-docker-java.yaml
jjb/vfc/vfc-nfvo-driver-vnfm-svnfm-root.yaml
jjb/vfc/vfc-nfvo-driver-vnfm-svnfm-zte-java.yaml
jjb/vfc/vfc-nfvo-driver-vnfm-svnfm-zte-python.yaml
jjb/vfc/vfc-nfvo-lcm-java.yaml
jjb/vfc/vfc-nfvo-lcm-python.yaml
jjb/vnfsdk/vnfsdk-dovetail-integration-python.yaml
jjb/vnfsdk/vnfsdk-functest.yaml
jjb/vnfsdk/vnfsdk-pkgtools-python.yaml
jjb/vnfsdk/vnfsdk-refrepo.yaml
jjb/vnfsdk/vnfsdk-validation.yaml

Issue-ID: CIMAN-33
Signed-off-by: Bengt Thuree <bthuree@linuxfoundation.org>
Change-Id: I3f94e06cb75fb9840ab8d21ee5a59797a42ba67a