Fix bug in writing deps file (Fixes #30156)

tools/patch_sdk.dart

Index: tools/patch_sdk.dart
diff --git a/tools/patch_sdk.dart b/tools/patch_sdk.dart
index cfc50f2c01f0da61007ee9cad8348de8f011ed8c..a1adba97148c9d58ded29d715e48d04f1cc333df 100644
--- a/tools/patch_sdk.dart
+++ b/tools/patch_sdk.dart
@@ -192,8 +192,8 @@ Future _main(List<String> argv) async {
   }
   deps.addAll(await fasta.getDependencies(Platform.script,
       sdk: sdkDir, packages: packages, platform: platformForDeps));
-  await writeDepsFile(Uri.base.resolveUri(new Uri.file("$outDir.d")),
-      platformFinalLocation, deps);
+  await writeDepsFile(platformFinalLocation,
+      Uri.base.resolveUri(new Uri.file("$outDir.d")), deps);
   await new File.fromUri(platform).rename(platformFinalLocation.toFilePath());
 }