Allow to enable atop

It may be required to troubleshoot performance related bugs during
tests exection, to have ability to inspect environment processes
and theirs status during test run this patch installs atop
by default if not explicitly disabled.

Related-Bug: #2095224

Change-Id: Iedbd61f3ce3cd2255ea5f2a7a93ba2f39ad28ff2
4 files changed