040000 tree 22f4905de3b0ca5c7c975b78fe9829154d179699	android
040000 tree c01f943f76ea9f8d6bc3ddd1c11f467db9b8c6de	linux
040000 tree c1e8a8a80236f2574e09b85352dcb0651de6c04d	openiotsdk
040000 tree a0ec38ff306794e4f897226d7947a530c59eafe2	tv-common