040000 tree e7fac922729ca167112377ff89a30b5e559580ef	android
040000 tree c01f943f76ea9f8d6bc3ddd1c11f467db9b8c6de	linux
040000 tree c1e8a8a80236f2574e09b85352dcb0651de6c04d	openiotsdk
040000 tree 42a8086ed2f6315ac9573db0d22b29028febb3a5	tv-common