[Android] Omnibox Placeholder Experiment

testing/variations/fieldtrial_testing_config.json

Index: testing/variations/fieldtrial_testing_config.json
diff --git a/testing/variations/fieldtrial_testing_config.json b/testing/variations/fieldtrial_testing_config.json
index 4ee8b9266a9cda9b90e1d34f5257e5b1d53a9c11..7b941a894a04825c90819cea988476cfdb42ef99 100644
--- a/testing/variations/fieldtrial_testing_config.json
+++ b/testing/variations/fieldtrial_testing_config.json
@@ -456,6 +456,42 @@
             ]
         }
     ],
+    "ClankOmniboxPlaceholderExperiment": [
+        {
+            "platforms": [
+                "android"
+            ],
+            "experiments": [
+                {
+                    "name": "SearchOrTypeUrl"
+                },
+                {
+                    "name": "SearchOrTypeWebsiteName"
+                },
+                {
+                    "name": "SearchTheWeb"
+                },
+                {
+                    "name": "EnterASearchOrWebsite"
+                },
+                {
+                    "name": "SearchNews"
+                },
+                {
+                    "name": "SearchRecipes"
+                },
+                {
+                    "name": "SearchWeather"
+                },
+                {
+                    "name": "Blank"
+                },
+                {
+                    "name": "Default"
+                }
+            ]
+        }
+    ],
     "CopylessPaste": [
         {
             "platforms": [