Update DevProject to 2020.3

DevProject/Packages/manifest.json

     "com.unity.2d.sprite": "1.0.0",
     "com.unity.2d.tilemap": "1.0.0",
     "com.unity.ads": "3.6.1",
-    "com.unity.analytics": "3.3.5",
+    "com.unity.analytics": "3.5.3",
-    "com.unity.collab-proxy": "1.2.16",
-    "com.unity.ide.rider": "1.1.4",
+    "com.unity.collab-proxy": "1.3.9",
+    "com.unity.ide.rider": "2.0.7",
+    "com.unity.ide.visualstudio": "2.0.7",
     "com.unity.ide.vscode": "1.2.3",
     "com.unity.inputsystem": "1.1.0-preview.3",
     "com.unity.ml-agents": "file:../../com.unity.ml-agents",
     "com.unity.package-validation-suite": "0.19.0-preview",
-    "com.unity.purchasing": "2.2.1",
+    "com.unity.purchasing": "2.2.2",
-    "com.unity.textmeshpro": "2.0.1",
-    "com.unity.timeline": "1.2.12",
+    "com.unity.textmeshpro": "3.0.1",
+    "com.unity.timeline": "1.4.6",
     "com.unity.ugui": "1.0.0",
     "com.unity.xr.legacyinputhelpers": "2.1.7",
     "com.unity.modules.ai": "1.0.0",

DevProject/Packages/packages-lock.json

       "url": "https://artifactory.prd.cds.internal.unity3d.com/artifactory/api/npm/upm-candidates"
     },
     "com.unity.analytics": {
-      "version": "3.3.5",
+      "version": "3.5.3",
       "depth": 0,
       "source": "registry",
       "dependencies": {
     },
     "com.unity.barracuda": {
-      "version": "1.3.1-preview",
+      "version": "1.3.2-preview",
       "depth": 1,
       "source": "registry",
       "dependencies": {
       "url": "https://artifactory.prd.cds.internal.unity3d.com/artifactory/api/npm/upm-candidates"
     },
     "com.unity.collab-proxy": {
-      "version": "1.2.16",
+      "version": "1.3.9",
       "depth": 0,
       "source": "registry",
       "dependencies": {},
       "url": "https://artifactory.prd.cds.internal.unity3d.com/artifactory/api/npm/upm-candidates"
     },
     "com.unity.ide.rider": {
-      "version": "1.1.4",
+      "version": "2.0.7",
       "depth": 0,
       "source": "registry",
       "dependencies": {
     },
+    "com.unity.ide.visualstudio": {
+      "version": "2.0.7",
+      "depth": 0,
+      "source": "registry",
+      "dependencies": {
+        "com.unity.test-framework": "1.1.9"
+      },
+      "url": "https://artifactory.prd.cds.internal.unity3d.com/artifactory/api/npm/upm-candidates"
+    },
     "com.unity.ide.vscode": {
       "version": "1.2.3",
       "depth": 0,
       "depth": 0,
       "source": "local",
       "dependencies": {
-        "com.unity.barracuda": "1.3.1-preview",
+        "com.unity.barracuda": "1.3.2-preview",
-        "com.unity.modules.physics2d": "1.0.0",
-        "com.unity.modules.unityanalytics": "1.0.0"
+        "com.unity.modules.physics2d": "1.0.0"
       }
     },
     "com.unity.ml-agents.extensions": {
       "dependencies": {
-        "com.unity.ml-agents": "1.8.0-preview"
+        "com.unity.ml-agents": "2.0.0-exp.1"
       }
     },
     "com.unity.multiplayer-hlapi": {
       "url": "https://artifactory.prd.cds.internal.unity3d.com/artifactory/api/npm/upm-candidates"
     },
     "com.unity.purchasing": {
-      "version": "2.2.1",
+      "version": "2.2.2",
       "depth": 0,
       "source": "registry",
       "dependencies": {
       "url": "https://artifactory.prd.cds.internal.unity3d.com/artifactory/api/npm/upm-candidates"
     },
     "com.unity.textmeshpro": {
-      "version": "2.0.1",
+      "version": "3.0.1",
       "depth": 0,
       "source": "registry",
       "dependencies": {
     },
     "com.unity.timeline": {
-      "version": "1.2.12",
+      "version": "1.4.6",
-      "dependencies": {},
+      "dependencies": {
+        "com.unity.modules.director": "1.0.0",
+        "com.unity.modules.animation": "1.0.0",
+        "com.unity.modules.audio": "1.0.0",
+        "com.unity.modules.particlesystem": "1.0.0"
+      },
       "url": "https://artifactory.prd.cds.internal.unity3d.com/artifactory/api/npm/upm-candidates"
     },
     "com.unity.ugui": {
       "depth": 0,
       "source": "builtin",
       "dependencies": {
+        "com.unity.modules.ui": "1.0.0",
+        "com.unity.modules.imgui": "1.0.0",
+        "com.unity.modules.jsonserialize": "1.0.0",
+        "com.unity.modules.uielementsnative": "1.0.0"
+      }
+    },
+    "com.unity.modules.uielementsnative": {
+      "version": "1.0.0",
+      "depth": 1,
+      "source": "builtin",
+      "dependencies": {
+        "com.unity.modules.ui": "1.0.0",
         "com.unity.modules.imgui": "1.0.0",
         "com.unity.modules.jsonserialize": "1.0.0"
       }

DevProject/ProjectSettings/EditorBuildSettings.asset

   - enabled: 1
     path: Assets/ML-Agents/Scripts/Tests/Runtime/AcademyTest/AcademyStepperTestScene.unity
     guid: 9bafc50b1e55b43b2b1ae9620f1f8311
-  m_configObjects: {}
+  m_configObjects:
+    com.unity.ml-agents.settings: {fileID: 11400000, guid: 7017f4eb06bef4889a3608a54b1cc59e,
+      type: 2}

DevProject/ProjectSettings/ProjectVersion.txt

-m_EditorVersion: 2019.4.20f1
-m_EditorVersionWithRevision: 2019.4.20f1 (6dd1c08eedfa)
+m_EditorVersion: 2020.3.0f1
+m_EditorVersionWithRevision: 2020.3.0f1 (c7b5465681fb)