Add finch test config for LookalikeUrlNavigationSuggestions

Bug: 878153
Change-Id: Iaced89171e98169ea126f0b9b73000422ffebf8f
Reviewed-on: https://chromium-review.googlesource.com/c/1197503Reviewed-by: Peter Kasting <pkasting@chromium.org>
Reviewed-by: Steven Holte <holte@chromium.org>
Commit-Queue: Mustafa Emre Acer <meacer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#600848}

chrome/browser/ui/omnibox/lookalike_url_navigation_observer_browsertest.cc

@@ -65,6 +65,9 @@ class LookalikeUrlNavigationObserverBrowserTest
     } else if (GetParam() == FeatureTestState::kEnabledWithUI) {
       feature_list_.InitAndEnableFeature(
           features::kLookalikeUrlNavigationSuggestions);
+    } else {
+      feature_list_.InitAndDisableFeature(
+          features::kLookalikeUrlNavigationSuggestions);
     }
     InProcessBrowserTest::SetUp();
   }

testing/variations/fieldtrial_testing_config.json

@@ -2438,6 +2438,28 @@
             ]
         }
     ],
+    "LookalikeUrlNavigationSuggestions": [
+        {
+            "platforms": [
+                "linux",
+                "mac",
+                "windows",
+                "android",
+                "chromeos"
+            ],
+            "experiments": [
+                {
+                    "name": "Enabled_V2",
+                    "params": {
+                        "metrics_only": "true"
+                    },
+                    "enable_features": [
+                        "LookalikeUrlNavigationSuggestions"
+                    ]
+                }
+            ]
+        }
+    ],
     "LowPriorityIframes2": [
         {
             "platforms": [