040000 tree 947994ab1a01a7d8e8bbcd8c025b641ac90ca65b	interfaces
040000 tree 60bda5b692bad9e61edd3cb524828c6a2f356de8	libhardware
040000 tree 2e97f5c564d23c4a57070e748c212a30f07b91c6	libhardware_legacy