am c7f68d75: am c257cfe6: add meta-files about 3rd party projects

Merge commit 'c7f68d75af03bf6d1a88b9b9342c1fe031fbed74'

* commit 'c7f68d75af03bf6d1a88b9b9342c1fe031fbed74':
  add meta-files about 3rd party projects