040000 tree 1ae43c41c07a417005d14829d3b92d60354cd2d0	android
040000 tree c01f943f76ea9f8d6bc3ddd1c11f467db9b8c6de	linux
040000 tree c1e8a8a80236f2574e09b85352dcb0651de6c04d	openiotsdk
040000 tree 0a996aa21c9f0f0496fc58f237fc612f82a72cae	tv-common