Basic Idle handler implementation
Basic Idle handler implementation

An idle handler will ultimately be a zero time timeout with
prioritisation layered on top of that.

Change-Id: I3f0802d5001172fc7b8409274bc5a3632e5dad34

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core