Moved containerizer utils in CMakeLists.
Moved containerizer utils in CMakeLists.

This is to ensure the function `calculateOOMScoreAdj()` can be resolved
on Windows.

Review: https://reviews.apache.org/r/72263/

abudnik/mesos,reneploetz/mesos,abudnik/mesos,reneploetz/mesos,Gilbert88/mesos,reneploetz/mesos,Gilbert88/mesos,reneploetz/mesos,dforsyth/mesos,dforsyth/mesos,dforsyth/mesos,reneploetz/mesos,Gilbert88/mesos,Gilbert88/mesos,abudnik/mesos,dforsyth/mesos,reneploetz/mesos,abudnik/mesos,abudnik/mesos,dforsyth/mesos,dforsyth/mesos,abudnik/mesos,Gilbert88/mesos,dforsyth/mesos,abudnik/mesos,reneploetz/mesos,Gilbert88/mesos,Gilbert88/mesos