Cross Reference: /system/core/libkeyutils

`Name`	`Date`	`Size`
Up to higher level directory
`.clang-format`	21-Aug-2018	`226`
`Android.bp`	21-Aug-2018	`365`
`include/`	21-Aug-2018
`keyutils.cpp`	21-Aug-2018	`2.7K`
`keyutils_test.cpp`	21-Aug-2018	`1.9K`