Remove perf event new features not supported 3.19
Remove perf event new features not supported 3.19

Some platforms don't have latest linux kernel. For instance, Cori is linux 3.12. Hence, we need to avoid using Perf Event features newer than 3.12.

HPCToolkit/hpctoolkit,HPCToolkit/hpctoolkit,HPCToolkit/hpctoolkit,HPCToolkit/hpctoolkit,HPCToolkit/hpctoolkit,HPCToolkit/hpctoolkit