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

(cherry picked from commit ad5ee05c3c9ef83fc275386af011557b27f1d4d0)

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

@@ -142,7 +142,7 @@
       "channel": "release",
       "userFacingName": "Felt Privacy - Android",
       "userFacingDescription": "Copy focused on privacy",
-      "isEnrollmentPaused": false,
+      "isEnrollmentPaused": true,
       "isRollout": false,
       "bucketConfig": {
         "randomizationUnit": "nimbus_id",
@@ -216,7 +216,7 @@
       ],
       "targeting": "((is_already_enrolled) || ((isFirstRun == 'true') && (app_version|versionCompare('116.!') >= 0) && (language in ['en'])))",
       "startDate": "2023-08-09",
-      "enrollmentEndDate": "2023-08-29",
+      "enrollmentEndDate": "2023-08-30",
       "endDate": null,
       "proposedDuration": 28,
       "proposedEnrollment": 14,