040000 tree 6b23384c37701a8875728aeab8b9969ebeeb8698	2.1
040000 tree a2d93cc142cccd4c434ba1e5cd2d714dcbe0df2c	2.2
040000 tree 6b47d1323c8953e0051863170af8f4865f82e336	2.3
040000 tree 19ad0a0e5f0b73daf8202afb6c61e832d1bac939	2.4
040000 tree b20f46da1b871e5d736294de2d381ff4888391b8	aidl