Merge pull request #8757 from leob2g/Bug_853698_Device_does_not_enter_cpu_idle_state

Bug 853698 - [System] Device does not enter cpu idle state
r=vivien(cherry picked from commit 8d877e1d7341f294934f104b30683bf753d00604)

Conflicts:
	apps/system/style/wrapper/wrapper.css