message: Make tfrt get resource non side effecting
  tf._TfrtGetResource does not need to be side-effecting. The runtime will make sure no one else is modifying the underlying resource.
diff: @@ -73,7 +73,7 @@ def TF__TfrtSetResourceOp : TF_Op<"_TfrtSetResource", []> {
  );
  }
  -def TF__TfrtGetResourceOp : TF_Op<"_TfrtGetResource", []> {
  +def TF__TfrtGetResourceOp : TF_Op<"_TfrtGetResource", [NoSideEffect]> {
  let summary = "Get values from TFRT runtime's static resource.";
  let description = [{
  