message: Use MLIR bridge with TensorList args in CompileSingleOp path
  MLIR bridge seems to be correctly support TensorList args now.
diff: @@ -283,15 +283,9 @@ Status XlaCompilationCache::CompileSingleOp(
  const NodeDef& node_def = ctx->op_kernel().def();
  TF_ASSIGN_OR_RETURN(auto graph, CreateGraph(node_def, args, result_dtypes));
  - // TODO(b/155596779): Support TensorList args.
  - bool has_tensor_list_arg =
  - absl::c_any_of(args, [](const XlaCompiler::Argument arg) {
  - return arg.kind == XlaCompiler::Argument::kTensorList;
  - });
  const ConfigProto* config = ctx->function_library()->config_proto();
  // TODO(b/171039585): Support tf.VarIsInitializedOp using MLIR.
  bool use_mlir = config && config->experimental().enable_mlir_bridge() &&
  - !has_tensor_list_arg &&
  node_def.op() != "VarIsInitializedOp";
  #ifdef LIBTPU_ON_GCE
  if (use_mlir) {
  