040000 tree 765e55fe712c107b49a5dc9b177c404c29843f4b	android
040000 tree c01f943f76ea9f8d6bc3ddd1c11f467db9b8c6de	linux
040000 tree c1e8a8a80236f2574e09b85352dcb0651de6c04d	openiotsdk
040000 tree 32079c6eb46b3e797cf90d75499aa6af27a171ce	tv-common