message: Update control_to_executor_dialect test to use captured targets.
diff: @@ -79,7 +79,7 @@ func @LoopTest() {
  // CHECK-NEXT: %{{[0-9]*}} = "tf.Add"(%[[IDENTITY]]#0, %[[CONST_ADD]]#0) {T = "tfdtype$DT_INT32", device = "", name = "while/Add"} : (tensor<*xi32>, tensor<i32>) -> tensor<*xi32>
  // CHECK-NEXT: tf_executor.yield %{{[0-9]*}} : tensor<*xi32>
  // CHECK-NEXT: }
  -// CHECK-NEXT: %[[CT:[0-9]*]] = tf_executor.ControlTrigger %2, %12#1, %9#1 {_tpu_replicate = "cluster", device = "", name = "gradients/while/mul_2_Da30D05wlPU_grad/SymbolicGradient/b_sync"}
  +// CHECK-NEXT: %[[CT:[0-9]*]] = tf_executor.ControlTrigger %[[NOOP]], %[[ADD]]#1, %[[EXIT]]#1 {_tpu_replicate = "cluster", device = "", name = "gradients/while/mul_2_Da30D05wlPU_grad/SymbolicGradient/b_sync"}
  // CHECK-NEXT: tf_executor.NextIteration.Sink [%[[NEXTIT_SRC]]#1] %[[ADD]]#0, %[[CT]] : tensor<*xi32> {T = "tfdtype$DT_INT32", device = "", id = 0 : i64, name = "while/NextIteration"}
  // CHECK-NEXT: tf_executor.fetch
  // CHECK-NEXT: }
  