Update finch variation study name.

testing/variations/fieldtrial_testing_config.json

 {
     "AlternateComponentUrls": [
         {
             "platforms": [
                 "android",
                 "chromeos",
                 "ios",
                 "linux",
                 "mac",
                 "win"
@@ skipping 2419 matching lines @@
                 "mac",
                 "win"
             ],
             "experiments": [
                 {
                     "name": "Enabled"
                 }
             ]
         }
     ],
-    "SearchGeolocationDisclosure": [
+    "SearchGeolocationConsistency": [
         {
             "platforms": [
                 "android"
             ],
             "experiments": [
                 {
                     "name": "EnableNewShow3Each1Day",
                     "enable_features": [
                         "ConsistentOmniboxGeolocation"
                     ]
@@ skipping 595 matching lines @@
                 {
                     "name": "Enabled",
                     "enable_features": [
                         "use-new-media-cache"
                     ]
                 }
             ]
         }
     ]
 }