Add Finch testing variations for search geolocation disclosure.

testing/variations/fieldtrial_testing_config.json

 {
     "AndroidSpellChecker": [
         {
             "platforms": [
                 "android"
             ],
             "experiments": [
                 {
                     "name": "Enabled_NonLowEnd",
                     "enable_features": [
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                 "mac",
                 "win"
             ],
             "experiments": [
                 {
                     "name": "Enabled"
                 }
             ]
         }
     ],
+    "SearchGeolocationDisclosure": [
+        {
+            "platforms": [
+                "android"
+            ],
+            "experiments": [
+                {
+                    "name": "EnableNewShow3Each1Day",
+                    "enable_features": [
+                        "ConsistentOmniboxGeolocation"
+                    ]
+                }
+            ]
+        }
+    ],
     "SeccompSandboxAndroid": [
         {
             "platforms": [
                 "android"
             ],
             "experiments": [
                 {
                     "name": "SandboxEnabled",
                     "enable_features": [
                         "SeccompSandboxAndroid"
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                 {
                     "name": "Enabled",
                     "enable_features": [
                         "use-new-media-cache"
                     ]
                 }
             ]
         }
     ]
 }