040000 tree 765e55fe712c107b49a5dc9b177c404c29843f4b	android
040000 tree c01f943f76ea9f8d6bc3ddd1c11f467db9b8c6de	linux
040000 tree c1e8a8a80236f2574e09b85352dcb0651de6c04d	openiotsdk
040000 tree a7a13b9ac19618a0833e70c4495b6a8808b825ab	tv-common