Add Finch testing configs for ReportCertificateErrors study

testing/variations/fieldtrial_testing_config_android.json

Index: testing/variations/fieldtrial_testing_config_android.json
diff --git a/testing/variations/fieldtrial_testing_config_android.json b/testing/variations/fieldtrial_testing_config_android.json
index 2da19c7d5cae77c9258833441bcedf350c20cb5c..2f59441d962e14f6dd30d3332074fc0ae3138794 100644
--- a/testing/variations/fieldtrial_testing_config_android.json
+++ b/testing/variations/fieldtrial_testing_config_android.json
@@ -67,5 +67,34 @@
                 "contextual_search_arrow_icon_enabled": "true"
             }
         }
+    ],
+    "ReportCertificateErrors": [
+        {
+            "group_name": "ShowAndPossiblySend",
+            "params": {
+                "sendingThreshold": "1.0"
+            }
+        },
+        {
+            "group_name": "ShowAndPossiblySend",
+            "params": {
+                "sendingThreshold": "-1.0"
+            }
+        },
+        {
+            "group_name": "ShowAndPossiblySend",
+            "params": {
+                "sendingThreshold": "0.0"
+            }
+        },
+        {
+            "group_name": "ShowAndPossiblySend",
+            "params": {
+                "sendingThreshold": "abcdef"
+            }
+        },
+        {
+            "group_name": "DontShowAndDontSend"
+        }
     ]
 }