Restore Filtering platform in codegen (#35028)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/35028

**This Diff require a bump in the react-native-codegen (including this [commit](https://github.com/facebook/react-native/commit/7680bdeb4f96a8092393372a59c77a9d7b729cae)) to work**

This diff sets up iOS and Android to pass their platform to the codegen so that we can have platform-specific specs.

## Changelog
[General][Added] - Enable platform-specific Codegen Specs

Reviewed By: cortinico

Differential Revision: D40516395

fbshipit-source-id: 0624f0bfb93c90f78131a605a4847e780783bbaf

scripts/codegen/generate-artifacts-executor.js

@@ -311,7 +311,6 @@ function generateSchema(tmpDir, library, node, codegenCliPath) {
 
   console.log(`\n\n[Codegen] >>>>> Processing ${library.config.name}`);
   // Generate one schema for the entire library...
-  // TODO: restore the `--platform ios` parameters as soon as we publish the codegen package.
   executeNodeScript(
     node,
     `${path.join(
@@ -320,7 +319,7 @@ function generateSchema(tmpDir, library, node, codegenCliPath) {
       'cli',
       'combine',
       'combine-js-to-schema-cli.js',
-    )} ${pathToSchema} ${pathToJavaScriptSources}`,
+    )} --platform ios ${pathToSchema} ${pathToJavaScriptSources}`,
   );
   console.log(`[Codegen] Generated schema: ${pathToSchema}`);
   return pathToSchema;