Linux create_sdk GN build for host

runtime/bin/BUILD.gn

Index: runtime/bin/BUILD.gn
diff --git a/runtime/bin/BUILD.gn b/runtime/bin/BUILD.gn
index b2d1db014abd4f1af768043935c441631e8131c3..d8a638446ae376633fb61c2abc44184df527e7d9 100644
--- a/runtime/bin/BUILD.gn
+++ b/runtime/bin/BUILD.gn
@@ -560,6 +560,17 @@ if (!defined(is_fuchsia) || !is_fuchsia) {
     ]
   }
 
+  dart_executable("dart_noopt") {
+    extra_configs = [
+      "..:dart_precompiler_config",
+    ]
+    extra_deps = [
+      "..:libdart_noopt",
+      ":dart_snapshot_cc",
+      "../observatory:standalone_observatory_archive",
+    ]
+  }
+
   dart_executable("dart_precompiled_runtime") {
     extra_configs = [
       "..:dart_precompiled_runtime_config"