Handle both ways the UI passes in booleans (#500)

* Handle both ways the UI passes in booleans

* fix the JS test

* Quote the value

core/src/test/javascript/google/registry/ui/js/registrar/contact_settings_test.js

@@ -335,7 +335,8 @@ describe("contact settings test", function() {
       visibleInWhoisAsAdmin: false,
       visibleInWhoisAsTech: false,
       visibleInDomainWhoisAsAbuse: false,
-      types: 'ADMIN'
+      types: 'ADMIN',
+      allowedToSetRegistryLockPassword: 'false'
     };
   }