Add a throw-away tool to remove IP addresses of external hosts

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=121279715

java/google/registry/tools/UpdateServerLocksCommand.java

@@ -94,7 +94,7 @@ final class UpdateServerLocksCommand extends MutatingEppToolCommand implements G
   }
 
   @Override
-  void initMutatingEppToolCommand() {
+  protected void initMutatingEppToolCommand() {
     checkArgument(
         requestedByRegistrar || !isNullOrEmpty(reason),
         "A reason must be provided when a change is not requested by a registrar.");