040000 tree 1516026c491d5d0360e3f8f6c002fe5a6d21b287	android
040000 tree e2c151eb8dd6fc65dcc484ee301a64f699d65f56	crt
040000 tree 352ad218dffe91ee83ba00cd21bdf19d174197fb	cxx-stl
040000 tree 27e18c858d6edbe0641a0520fdfe2828a8251a98	host-tools