Restore RemoteApiOptions method accessibility after use

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=246161567

java/google/registry/tools/RemoteApiOptionsUtil.java

@@ -38,6 +38,7 @@ public class RemoteApiOptionsUtil {
             + " Stop using RemoteApiOptionsUtil.");
     method.setAccessible(true);
     method.invoke(options, stream);
+    method.setAccessible(false);
     return options;
   }
 }