Update Fenix initial_experiments.json based on the current first-run experiments in experimenter

app/src/main/res/raw/initial_experiments.json

@@ -54,7 +54,79 @@
       "referenceBranch": "treatment-a",
       "featureValidationOptOut": false,
       "localizations": null,
-      "locales": null
+      "locales": null,
+      "publishedDate": null
+    },
+    {
+      "schemaVersion": "1.12.0",
+      "slug": "android-long-term-holdback-validation",
+      "id": "android-long-term-holdback-validation",
+      "arguments": {},
+      "application": "org.mozilla.firefox_beta",
+      "appName": "fenix",
+      "appId": "org.mozilla.firefox_beta",
+      "channel": "beta",
+      "userFacingName": "Android Long-term Holdback Validation",
+      "userFacingDescription": "This is an internal test of new experiment tooling",
+      "isEnrollmentPaused": false,
+      "isRollout": false,
+      "bucketConfig": {
+        "randomizationUnit": "nimbus_id",
+        "namespace": "fenix-no-feature-fenix-beta-2",
+        "start": 0,
+        "count": 10000,
+        "total": 10000
+      },
+      "featureIds": [
+        "no-feature-fenix"
+      ],
+      "probeSets": [],
+      "outcomes": [],
+      "branches": [
+        {
+          "slug": "delivery",
+          "ratio": 9,
+          "feature": {
+            "featureId": "this-is-included-for-mobile-pre-96-support",
+            "enabled": false,
+            "value": {}
+          },
+          "features": [
+            {
+              "featureId": "no-feature-fenix",
+              "enabled": true,
+              "value": {}
+            }
+          ]
+        },
+        {
+          "slug": "holdback",
+          "ratio": 1,
+          "feature": {
+            "featureId": "this-is-included-for-mobile-pre-96-support",
+            "enabled": false,
+            "value": {}
+          },
+          "features": [
+            {
+              "featureId": "no-feature-fenix",
+              "enabled": true,
+              "value": {}
+            }
+          ]
+        }
+      ],
+      "targeting": "((is_already_enrolled) || ((app_version|versionCompare('123.!') >= 0)))",
+      "startDate": "2024-01-25",
+      "enrollmentEndDate": null,
+      "endDate": null,
+      "proposedDuration": 60,
+      "proposedEnrollment": 30,
+      "referenceBranch": "holdback",
+      "featureValidationOptOut": false,
+      "localizations": null,
+      "locales": null,
+      "publishedDate": "2024-01-25T17:36:03.153458Z"
     },
     {
       "schemaVersion": "1.12.0",
@@ -222,7 +294,8 @@
       "referenceBranch": "control",
       "featureValidationOptOut": false,
       "localizations": null,
-      "locales": null
+      "locales": null,
+      "publishedDate": null
     },
     {
       "schemaVersion": "1.12.0",
@@ -303,7 +376,8 @@
       "referenceBranch": "control",
       "featureValidationOptOut": false,
       "localizations": null,
-      "locales": null
+      "locales": null,
+      "publishedDate": null
     }
   ]
 }