Cross Reference: /hardware/intel/img/hwcomposer/common/devices

`Name`	`Date`	`Size`
Up to higher level directory
`DummyDevice.cpp`	23-Apr-2015	`5.4K`
`ExternalDevice.cpp`	23-Apr-2015	`10.2K`
`PhysicalDevice.cpp`	23-Apr-2015	`13.2K`
`PrimaryDevice.cpp`	23-Apr-2015	`1.4K`