Finch: Link managed notice to management URL update field trial testing

Bug: b/129150645
Change-Id: I59db03be0f44d1f1c90bf315999456a58babc31e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1538004
Commit-Queue: Ilya Sherman <isherman@chromium.org>
Reviewed-by: Ilya Sherman <isherman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#644898}

testing/variations/fieldtrial_testing_config.json

@@ -2605,6 +2605,23 @@
             ]
         }
     ],
+    "LinkManagedNoticeToChromeUIManagementURL": [
+        {
+            "platforms": [
+                "linux",
+                "mac",
+                "windows"
+            ],
+            "experiments": [
+                {
+                    "name": "Enabled",
+                    "enable_features": [
+                        "LinkManagedNoticeToChromeUIManagementURL"
+                    ]
+                }
+            ]
+        }
+    ],
     "LookalikeUrlNavigationSuggestionsUI": [
         {
             "platforms": [