Fix for timerfd_create on older kernel revisions

BOOTTIME_ALARM and BOOTTIME were added to timerfd_create
in kernel version 3.11 and 3.15 respectively.
But for targets still on older kernel version we fallback on MONOTONIC.

CRs-Fixed: 897805

Change-Id: I47d9780d69ce5ee8c183c84baa93ea3c1a00db57
1 file changed