040000 tree 1ce19d687e34e7ae7f1e887627862e63abbb0dd5	android
040000 tree 5786c082ec1a325c130e950e74bcbd7cf262d049	cpufeatures
040000 tree 12766b6ec954137bfc952194cb583d18d3764b77	cxx-stl
040000 tree 18edf6003aa91f85d167ad6a2b8d37f8a2aedb34	host-tools