fix: Windows CMake/Ninja paths issue + Gradle 9 bundle/codegen ordering for barcode-scanner

[AliRezaBeigy]

Summary

Improves react-native-vision-camera-barcode-scanner Android builds on Windows and with Gradle 9 / React Native New Architecture by relocating native/Gradle outputs under the host app’s standard android/build/ tree (no extra top-level folders), and by declaring an explicit task ordering between Hermes bundle tasks and this library’s codegen output.

Problem

1. Long paths on Windows
   The library often resolves under a deep node_modules/... tree. Android Gradle Plugin still places CMake/Ninja output in a .cxx tree derived from the module location, so object file paths can exceed practical Ninja/CMake limits. Symptoms include CMake repeatedly re-running and:
   ninja: error: manifest 'build.ninja' still dirty after 100 tries.

2. Gradle 9 configuration validation
   With New Architecture enabled, :app:createBundle*JsAndAssets can consume outputs from :react-native-vision-camera-barcode-scanner:generateCodegenArtifactsFromSchema without an explicit dependency, which Gradle 9 reports as a misconfiguration.

Solution

• Windows only (detected via os.name):

  • Set project.buildDir to android/build/externalNativeModules/<sanitized-project-name> (under rootProject.buildDir), so library outputs stay in the normal Gradle build output tree.
  • Set externalNativeBuild.cmake.buildStagingDirectory to ${project.buildDir}/cxx so CMake/Ninja staging is short and colocated with that module’s relocated buildDir.

• All platforms (when the React Gradle plugin registers codegen on this project):

  • In gradle.projectsEvaluated, find generateCodegenArtifactsFromSchema on this project and register dependsOn from every application subproject’s createBundle*JsAndAssets tasks.

Notes

• Does not add -DCMAKE_OBJECT_PATH_MAX=...: Android SDK CMake is often 3.22.x, while that flag targets CMake 3.26+; relocation addresses the root cause without relying on newer CMake.
• Uses rootProject.buildDir so paths stay correct for the usual React Native layout where the Gradle root is the android/ project.

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