Add publish and promotion jobs for creating our c# package. Cleanup job definitions. (#3820)

.yamato/com.unity.ml-agents-pack.yml

 pack:
   name: Pack
   agent:
-    type: Unity::VM
-    image: package-ci/ubuntu:stable
-    flavor: b1.large
+    type: Unity::VM::osx
+    image: package-ci/mac:stable
+    flavor: b1.small
   commands:
     - npm install upm-ci-utils@stable -g --registry https://artifactory.prd.cds.internal.unity3d.com/artifactory/api/npm/upm-npm
     - upm-ci package pack --package-path com.unity.ml-agents

.yamato/com.unity.ml-agents-test.yml

   - version: 2020.1
     coverageOptions: --enable-code-coverage --code-coverage-options 'generateHtmlReport;assemblyFilters:+Unity.ML-Agents'
     minCoveragePct: 72
+  - version: 2020.2
+    coverageOptions: --enable-code-coverage --code-coverage-options 'generateHtmlReport;assemblyFilters:+Unity.ML-Agents'
+    minCoveragePct: 72
+trunk_editor:
+  - version: trunk
+    coverageOptions: --enable-code-coverage --code-coverage-options 'generateHtmlReport;assemblyFilters:+Unity.ML-Agents'
+    minCoveragePct: 72
 test_platforms:
   - name: win
     type: Unity::VM
     flavor: b1.medium
 ---
 
+all_package_tests:
+  name: Run All Combinations of Editors/Platforms Tests
+  dependencies:
+  {% for editor in test_editors %}
+    {% for platform in test_platforms %}
+  - .yamato/com.unity.ml-agents-test.yml#test_{{ platform.name }}_{{ editor.version }}
+    {% endfor %}
+  {% endfor %}
+
+  {% for editor in trunk_editor %}
+    {% for platform in test_platforms %}
+  - .yamato/com.unity.ml-agents-test.yml#test_{{ platform.name }}_{{ editor.version }}
+    {% endfor %}
+  {% endfor %}
+  triggers:
+    cancel_old_ci: true
+
 {% for editor in test_editors %}
   {% for platform in test_platforms %}
 test_{{ platform.name }}_{{ editor.version }}:
         - "com.unity.ml-agents/**"
         - "ml-agents/tests/yamato/**"
         - ".yamato/com.unity.ml-agents-test.yml"
-
+{% endfor %}
+
+{% for editor in trunk_editor %}
+  {% for platform in test_platforms %}
+test_{{ platform.name }}_trunk:
+  name : com.unity.ml-agents test {{ editor.version }} on {{ platform.name }}
+  agent:
+    type: {{ platform.type }}
+    image: {{ platform.image }}
+    flavor: {{ platform.flavor}}
+  commands:
+    - python -m pip install unity-downloader-cli --extra-index-url https://artifactory.eu-cph-1.unityops.net/api/pypi/common-python/simple
+    - unity-downloader-cli -u trunk -c editor --wait --fast
+    - npm install upm-ci-utils@stable -g --registry https://artifactory.prd.cds.internal.unity3d.com/artifactory/api/npm/upm-npm
+    - upm-ci package test -u {{ editor.version }} --package-path com.unity.ml-agents {{ editor.coverageOptions }}
+    - python ml-agents/tests/yamato/check_coverage_percent.py upm-ci~/test-results/ {{ editor.minCoveragePct }}
+  artifacts:
+    logs:
+      paths:
+        - "upm-ci~/test-results/**/*"
+  dependencies:
+    - .yamato/com.unity.ml-agents-pack.yml#pack
+  triggers:
+    cancel_old_ci: true
+    {% endfor %}
   {% endfor %}

.yamato/com.unity.ml-agents-promotion.yml

+promote:
+  name: Promote to Production
+  agent:
+    type: Unity::VM
+    image: package-ci/win10:stable
+    flavor: b1.large
+  variables:
+    UPMCI_PROMOTION: 1
+  commands:
+    - npm install upm-ci-utils@stable -g --registry https://artifactory.prd.cds.internal.unity3d.com/artifactory/api/npm/upm-npm
+    - upm-ci package promote --package-path com.unity.ml-agents
+#  triggers:
+#    tags:
+#      only:
+#        - /^(r|R)elease-\d+\.\d+\.\d+(-preview(\.\d+)?)?$/
+  artifacts:
+    artifacts:
+      paths:
+        - "upm-ci~/packages/*.tgz"
+  dependencies:
+    - .yamato/com.unity.ml-agents-pack.yml#pack
+    - .yamato/com.unity.ml-agents-test.yml#all_package_tests

.yamato/com.unity.ml-agents-publish.yml

+publish:
+  name: Publish ML-Agents to Internal Registry
+  agent:
+    type: Unity::VM
+    image: package-ci/win10:stable
+    flavor: b1.large
+  commands:
+    - npm install upm-ci-utils@stable -g --registry https://artifactory.prd.cds.internal.unity3d.com/artifactory/api/npm/upm-npm
+    - upm-ci package publish --package-path com.unity.ml-agents
+  triggers:
+    cancel_old_ci: true
+#    tags:
+#      only:
+#        - /^(r|R)(c|C)-\d+\.\d+\.\d+(-preview(\.\d+)?)?$/
+  artifacts:
+    artifacts:
+      paths:
+        - "upm-ci~/packages/*.tgz"
+  dependencies:
+    - .yamato/com.unity.ml-agents-pack.yml#pack
+    - .yamato/com.unity.ml-agents-test.yml#all_package_tests