040000 tree 4ad27159abafcea52e1ca90343606faf353703f8	android
040000 tree 22445b58f6054d17c7f025a47455ed575a57a564	linux
040000 tree c1e8a8a80236f2574e09b85352dcb0651de6c04d	openiotsdk
040000 tree 9cdbadf6f0297de8106f6aac168a17a869aefe2b	tv-common