Fix test_trace_runtimes.
Fix test_trace_runtimes.

- sync_runtime calculation includes the sample after the region exit.

Change-Id: I4882f65571c89f5d697575708b7bcc05f4f90feb
Signed-off-by: Diana Guttman <98d11df29868673c9a01b97a41154316626a31b0@intel.com>

geopm/geopm,geopm/geopm,geopm/geopm,cmcantalupo/geopm,cmcantalupo/geopm,cmcantalupo/geopm,geopm/geopm,geopm/geopm,cmcantalupo/geopm,cmcantalupo/geopm