lib: resource-monitor: Add attribute to get resource name

lib: resource-monitor: Add attribute to get resource name

[Newly added resource attributes]
- CPU_ATTR_NAME gets CPU resource name
- BUS_ATTR_NAME gets BUS resource name
- GPU_ATTR_NAME gets GPU resource name
- DISPLAY_ATTR_NAME gets Display resource name

[Renamed resource attributes]
- PROCESS_ATTR_COMM -> PROCESS_ATTR_NAME
- PROCESS_GROUP_ATTR_COMM_LIST -> PROCESS_GROUP_ATTR_NAME_LIST

Change-Id: I3f343b3aad2345bb4145fa85ed74d6764d9b43a1
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>