Turn on version checks for Java Lite enum in OSS.

PiperOrigin-RevId: 600579323

src/google/protobuf/compiler/java/enum_lite.cc

@@ -85,6 +85,16 @@ void EnumLiteGenerator::Generate(io::Printer* printer) {
 
   // -----------------------------------------------------------------
 
+  if (context_->options().opensource_runtime) {
+    printer->Print("static {\n");
+    printer->Indent();
+    PrintGencodeVersionValidator(printer,
+                                 context_->options().opensource_runtime,
+                                 context_->EnforceLite(), descriptor_->name());
+    printer->Outdent();
+    printer->Print("}\n");
+  }
+
   for (int i = 0; i < aliases_.size(); i++) {
     absl::flat_hash_map<absl::string_view, std::string> vars;
     vars["classname"] = descriptor_->name();