ASALIGHT-119 + Add support to ping lamps periodically in controller service

Signed-off-by: Padmapriya Narayanan <padmapri@qce.qualcomm.com>

Conflicts:

	thin_core_library/lamp_service/src/OEM_LS_Provisioning.c

Change-Id: I6591f72ad90e9c45415f4ea5dac7742ce215b305
Signed-off-by: Padmapriya Narayanan <padmapri@qce.qualcomm.com>