Enable NTP Inactivity 60 minute experiment in trial finch config.

testing/variations/fieldtrial_testing_config.json

 {
     "AlternateComponentUrls": [
         {
             "platforms": [
                 "android",
                 "chromeos",
                 "ios",
                 "linux",
                 "mac",
                 "win"
@@ skipping 1359 matching lines @@
                         "bookmarks_consider_desktop_visits": "true",
                         "bookmarks_max_age_in_days": "21"
                     },
                     "enable_features": [
                         "NTPBookmarkSuggestions"
                     ]
                 }
             ]
         }
     ],
+    "NTPLaunchAfterInactivity": [
+        {
+            "platforms": [
+                "android"
+            ],
+            "experiments": [
+                {
+                    "name": "OneHourDelay",
+                    "params": {
+                        "delay_in_mins": "60"
+                    },
+                    "enable_features": [
+                        "NTPLaunchAfterInactivity"
+                    ]
+                }
+            ]
+        }
+    ],
     "NTPPersonalizedSectionRanking": [
         {
             "platforms": [
                 "android"
             ],
             "experiments": [
                 {
                     "name": "Enabled-ClickBasedRanker",
                     "params": {
                         "category_ranker": "click_based"
@@ skipping 1794 matching lines @@
                 {
                     "name": "Enabled",
                     "enable_features": [
                         "use-new-media-cache"
                     ]
                 }
             ]
         }
     ]
 }