Oreo doesn't allow usage of the old alarm interface anymore, so simply remove it and switch to timerfd. Also update the timerfd interface from CAF O release Change-Id: I22fc00630072cbf18976239dc039bf2135946045
* TODO: Rebrand cmsdk when it's in a working state Change-Id: I0d8d573f9e0032110ae3a0f54ebe11a877b83137