HAVE_POSIX_CLOCKS imples clock_gettime,settime and CLOCK_REALTIME / CLOCK_MONOTONIC. CLOCK_BOOTTIME appears only on newer versions of glibc and might only be supported on newer kernels. Change-Id: I66e724a3593538c3b80de2c5f81a964d3fa96eaf
Change-Id: I6cf4268599460791414882f91eeb88a992fbd29d