Implement List.empty() in the DDC patch file.

Change-Id: Ib588f52daebea9a51f3aeed858e418406d57a8bc
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/123960
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Leaf Petersen <leafp@google.com>
Commit-Queue: Bob Nystrom <rnystrom@google.com>

Author: munificent

sdk_nnbd/lib/_internal/js_dev_runtime/patch/core_patch.dart

@@ -410,6 +410,13 @@ class List<E> {
     return JSArray<E>.of(list);
   }
 
+  @patch
+  factory List.empty({bool growable = false}) {
+    var list = JSArray<E>.of(JS('', 'new Array()'));
+    if (!growable) JSArray.markFixedList(list);
+    return list;
+  }
+
   @patch
   factory List.filled(@nullCheck int length, E fill, {bool growable = false}) {
     var list = JSArray<E>.of(JS('', 'new Array(#)', length));