040000 tree e7fac922729ca167112377ff89a30b5e559580ef	android
040000 tree c01f943f76ea9f8d6bc3ddd1c11f467db9b8c6de	linux
040000 tree c1e8a8a80236f2574e09b85352dcb0651de6c04d	openiotsdk
040000 tree 84a362cbb4a3f8099ecbb29a7e4f3d0e3e7b54d0	tv-common