[Android] Omnibox Placeholder Experiment

testing/variations/fieldtrial_testing_config.json

 {
     "AlternateComponentUrls": [
         {
             "platforms": [
                 "android",
                 "chromeos",
                 "ios",
                 "linux",
                 "mac",
                 "win"
@@ skipping 1878 matching lines @@
                         "PhysicalWebAfterTyping": "true",
                         "PhysicalWebZeroSuggest": "true"
                     },
                     "enable_features": [
                         "OmniboxEnableClipboardProvider"
                     ]
                 }
             ]
         }
     ],
+    "OmniboxPlaceholderExperiment": [
+        {
+            "platforms": [
+                "android"
+            ],
+            "experiments": [
+                {
+                    "name": "SearchOrTypeUrl"

[jwd, 2017/05/31 17:50:06]

Note: It's only the first experiment that's applied for dev builds and bots.

+                },
+                {
+                    "name": "SearchOrTypeWebsiteName"
+                },
+                {
+                    "name": "SearchTheWeb"
+                },
+                {
+                    "name": "EnterASearchOrWebsite"
+                },
+                {
+                    "name": "SearchNews"
+                },
+                {
+                    "name": "SearchRecipes"
+                },
+                {
+                    "name": "SearchWeather"
+                },
+                {
+                    "name": "Blank"
+                },
+                {
+                    "name": "Default"
+                }
+            ]
+        }
+    ],
     "OutOfProcessPac": [
         {
             "platforms": [
                 "chromeos",
                 "linux",
                 "mac",
                 "win"
             ],
             "experiments": [
                 {
@@ skipping 1526 matching lines @@
                 {
                     "name": "Enabled",
                     "enable_features": [
                         "use-new-media-cache"
                     ]
                 }
             ]
         }
     ]
 }