Use a source_set instead of static_library for libdart_embedder_noio

runtime/bin/BUILD.gn

 # Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 
 declare_args() {
   dart_io_support = false
 }
 
 
@@ skipping 157 matching lines @@
     "$target_gen_dir/io_gen.cc",
     "$target_gen_dir/io_patch_gen.cc",
   ]
 
   include_dirs = [
     "..",
   ]
 }
 
 
-static_library("libdart_embedder_noio") {
+source_set("libdart_embedder_noio") {
   configs += ["..:dart_config",]
   deps = [
     "..:libdart",
     "../vm:libdart_platform",
   ]
 }
 
 io_impl_sources_gypi =
     exec_script("../../tools/gypi_to_gn.py",
                 [ rebase_path("io_impl_sources.gypi") ],
@@ skipping 46 matching lines @@
     "log_macos.cc",
     "log_win.cc",
     "log.h",
   ]
 
   include_dirs = [
     "..",
     "//third_party"
   ]
 }