040000 tree c415c8db8923ac8eb7e941aa10076c6beeff6422	android
040000 tree b1573ab404cbcb14a214aca8a42f06b4edf3e9cb	linux
040000 tree c1e8a8a80236f2574e09b85352dcb0651de6c04d	openiotsdk
040000 tree 77fbd0786b31bec289925e5077c89e32bb55f934	tv-common