[flutter_tools] use UWP cpp wrapper for UWP build (#85167)

packages/flutter_tools/lib/src/artifacts.dart

@@ -37,8 +37,10 @@ enum Artifact {
   linuxHeaders,
   /// The root of the Windows desktop sources.
   windowsDesktopPath,
-  /// The root of the cpp client code for Windows desktop and Windows UWP desktop.
+  /// The root of the cpp client code for Windows desktop.
   windowsCppClientWrapper,
+  /// The root of the cpp client code for Windows UWP desktop.
+  windowsUwpCppClientWrapper,
   /// The root of the Windows UWP desktop sources.
   windowsUwpDesktopPath,
   /// The root of the sky_engine package.
@@ -192,6 +194,7 @@ String? _artifactToFileName(Artifact artifact, [ TargetPlatform? platform, Build
     case Artifact.linuxHeaders:
       return 'flutter_linux';
     case Artifact.windowsCppClientWrapper:
+    case Artifact.windowsUwpCppClientWrapper:
       return 'cpp_client_wrapper';
     case Artifact.windowsUwpDesktopPath:
     case Artifact.windowsDesktopPath:
@@ -577,6 +580,9 @@ class CachedArtifacts implements Artifacts {
       case Artifact.windowsCppClientWrapper:
         final String engineArtifactsPath = _cache.getArtifactDirectory('engine').path;
         return _fileSystem.path.join(engineArtifactsPath, 'windows-x64', _artifactToFileName(artifact, platform, mode));
+      case Artifact.windowsUwpCppClientWrapper:
+        final String engineArtifactsPath = _cache.getArtifactDirectory('engine').path;
+        return _fileSystem.path.join(engineArtifactsPath, 'windows-uwp-x64-debug', _artifactToFileName(artifact, platform, mode));
       case Artifact.skyEnginePath:
         final Directory dartPackageDirectory = _cache.getCacheDir('pkg');
         return _fileSystem.path.join(dartPackageDirectory.path,  _artifactToFileName(artifact));
@@ -862,6 +868,7 @@ class CachedLocalEngineArtifacts implements LocalEngineArtifacts {
       case Artifact.linuxHeaders:
       case Artifact.windowsDesktopPath:
       case Artifact.windowsCppClientWrapper:
+      case Artifact.windowsUwpCppClientWrapper:
         return _fileSystem.path.join(_hostEngineOutPath, artifactFileName);
       case Artifact.frontendServerSnapshotForEngineDartSdk:
         return _fileSystem.path.join(_hostEngineOutPath, 'gen', artifactFileName);

packages/flutter_tools/lib/src/build_system/targets/windows.dart

@@ -144,7 +144,7 @@ class UnpackWindowsUwp extends Target {
       );
     final String clientSourcePath = environment.artifacts
       .getArtifactPath(
-        Artifact.windowsCppClientWrapper,
+        Artifact.windowsUwpCppClientWrapper,
         platform: TargetPlatform.windows_x64,
         mode: buildMode,
       );

packages/flutter_tools/test/general.shard/build_system/targets/windows_test.dart

@@ -145,7 +145,7 @@ void main() {
     environment.buildDir.createSync(recursive: true);
 
     final String windowsDesktopPath = artifacts.getArtifactPath(Artifact.windowsUwpDesktopPath, platform: TargetPlatform.windows_x64, mode: BuildMode.debug);
-    final String windowsCppClientWrapper = artifacts.getArtifactPath(Artifact.windowsCppClientWrapper, platform: TargetPlatform.windows_x64, mode: BuildMode.debug);
+    final String windowsCppClientWrapper = artifacts.getArtifactPath(Artifact.windowsUwpCppClientWrapper, platform: TargetPlatform.windows_x64, mode: BuildMode.debug);
     final String icuData = artifacts.getArtifactPath(Artifact.icuData, platform: TargetPlatform.windows_x64);
     final List<String> requiredFiles = <String>[
       '$windowsDesktopPath\\flutter_export.h',