environ.py: print resolved patch directories instead of vague placeholder

environ.py

@@ -381,7 +381,6 @@ def main():
 
     print("Android Build Environment Setup")
     print(f"Source directory: {source_dir}")
-    print(f"Patch directories: {', '.join(patch_dirs) if patch_dirs else '(from config or default)'}")
     print(f"Patch level: -p{patch_level}")
     print(f"Sync jobs: {sync_jobs}")
     if ignore_patches:
@@ -443,11 +442,14 @@ def main():
         patch_config = config.get('patches', {}) if config else {}
         if patch_dirs is not None:
             effective_patch_dirs = patch_dirs
+            patch_dirs_source = "CLI"
         elif 'dirs' in patch_config:
             effective_patch_dirs = patch_config['dirs']
-            print(f"Using patch directories from repo.yml: {effective_patch_dirs}")
+            patch_dirs_source = "repo.yml"
         else:
             effective_patch_dirs = ['patches']
+            patch_dirs_source = "default"
+        print(f"Patch directories ({patch_dirs_source}): {', '.join(effective_patch_dirs)}")
 
         # Load directory mappings from repo.yml (e.g. "android/36" -> "frameworks/base")
         mappings = patch_config.get('mappings', {})