Change redacted output for domain whois query

The redacted text for the email field displays a longer prompt to
contact the registrar, per the request filed at b/123573370.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=232716133

java/google/registry/config/RegistryConfig.java

@@ -980,6 +980,17 @@ public final class RegistryConfig {
       return null;
     }
 
+    /**
+     * Redaction text for email address in WHOIS
+     *
+     * @see google.registry.whois.WhoisResponse
+     */
+    @Provides
+    @Config("whoisRedactedEmailText")
+    public static String provideWhoisRedactedEmailText(RegistryConfigSettings config) {
+      return config.registryPolicy.whoisRedactedEmailText;
+    }
+
     /**
      * Disclaimer displayed at the end of WHOIS query results.
      *

java/google/registry/config/RegistryConfigSettings.java

@@ -89,6 +89,7 @@ public class RegistryConfigSettings {
     public String registryAdminClientId;
     public String premiumTermsExportDisclaimer;
     public String reservedTermsExportDisclaimer;
+    public String whoisRedactedEmailText;
     public String whoisDisclaimer;
     public String rdapTos;
     public String rdapTosStaticUrl;

java/google/registry/config/files/default-config.yaml

@@ -104,6 +104,12 @@ registryPolicy:
     to publish. This list is subject to change. The most up-to-date source
     is always the registry itself, by sending domain check EPP commands.
 
+  # Redaction text for email address in WHOIS
+  whoisRedactedEmailText: |
+    Please query the WHOIS server of the owning registrar identified in this
+    output for information on how to contact the Registrant, Admin, or Tech
+    contact of the queried domain name.
+
   # Disclaimer at the top of WHOIS results.
   whoisDisclaimer: |
     WHOIS information is provided by the registry solely for query-based,