Add Finch testing variations for search geolocation disclosure.

testing/variations/fieldtrial_testing_config.json

 {
     "AndroidSpellChecker": [
         {
             "platforms": [
                 "android"
             ],
             "experiments": [
                 {
                     "name": "Enabled_NonLowEnd",
                     "enable_features": [
@@ skipping 2036 matching lines @@
                 "mac",
                 "win"
             ],
             "experiments": [
                 {
                     "name": "Enabled"
                 }
             ]
         }
     ],
+    "SearchGeolocationDisclosure": [
+        {
+            "platforms": [
+                "android"
+            ],
+            "experiments": [

[rkaplow, 2017/01/12 16:30:36]

we only support one experiment tested in the test bots so we recommend usually
just having one which you want to get tested. That group should be the
experiment group you think is most likely to be released.

[benwells, 2017/01/12 23:29:38]

Ah, OK. I've removed all but the first one, which is the one we think will be
released.

+                {
+                    "name": "EnableNewShow3Each1Day",
+                    "enable_features": [
+                        "ConsistentOmniboxGeolocation"
+                    ]
+                },
+                {
+                    "name": "EnableNewShow2Each1Day",
+                    "params": {
+                        "MaxShowCount": "2"
+                    },
+                    "enable_features": [
+                        "ConsistentOmniboxGeolocation"
+                    ]
+                },
+                {
+                    "name": "EnableNewShow4Each1Day",
+                    "params": {
+                        "MaxShowCount": "4"
+                    },
+                    "enable_features": [
+                        "ConsistentOmniboxGeolocation"
+                    ]
+                },
+                {
+                    "name": "EnableNewShow3Each2Days",
+                    "params": {
+                        "DaysPerShow": "2"
+                    },
+                    "enable_features": [
+                        "ConsistentOmniboxGeolocation"
+                    ]
+                }
+            ]
+        }
+    ],
     "SeccompSandboxAndroid": [
         {
             "platforms": [
                 "android"
             ],
             "experiments": [
                 {
                     "name": "SandboxEnabled",
                     "enable_features": [
                         "SeccompSandboxAndroid"
@@ skipping 472 matching lines @@
                 {
                     "name": "Enabled",
                     "enable_features": [
                         "use-new-media-cache"
                     ]
                 }
             ]
         }
     ]
 }