040000 tree e996a024ba57e4d18843e2682ca83e3c1299550c	android
040000 tree c01f943f76ea9f8d6bc3ddd1c11f467db9b8c6de	linux
040000 tree c1e8a8a80236f2574e09b85352dcb0651de6c04d	openiotsdk
040000 tree 18d92933ade3f641db180399eb13788225ae22cd	tv-common