Cross Reference: /system/core/libprocessgroup

`Name`	`Date`	`Size`
Up to higher level directory
`Android.mk`	08-Oct-2015	`635`
`cleanup.cpp`	08-Oct-2015	`944`
`include/`	08-Oct-2015
`processgroup.cpp`	08-Oct-2015	`8.7K`
`processgroup_priv.h`	08-Oct-2015	`1.2K`