Skip license checking for temp dirs created during the sync (#13585)

* Skip license checking for temp dirs created during the sync

fix https://github.com/brave/brave-browser/issues/23226

* Fix path problem on Windows

Co-authored-by: Michael Herrmann <michael@herrmann.io>

script/brave_license_helper.py

@@ -161,6 +161,11 @@ def AddBraveCredits(prune_paths, special_cases, prune_dirs, additional_paths):
 
 
 def CheckBraveMissingLicense(target_os, path, error):
+    # Skip chekcing for temp dirs from gclient.
+    # This is workaround fix. Temp dir should not be existed in vendor dir.
+    if path.replace('\\', '/').startswith('brave/vendor/_gclient'):
+        return
+
     if path.startswith('brave'):
         if target_os == 'android':
             if path in DESKTOP_ONLY_PATHS: