040000 tree b84c5392dbd1a91ac640119d8d81e2d9fa6740c8	android
040000 tree 791e4d923ca13eda984cffc50a0e59d0beb49150	linux
040000 tree c1e8a8a80236f2574e09b85352dcb0651de6c04d	openiotsdk
040000 tree 01f841bfd6303fe9bb5c9c88524fc82565adb489	tv-common