Read disposable performance tests

For: QubesOS/qubes-issues#1512

Author: ben-grande

rpm_spec/core-dom0.spec.in

@@ -564,6 +564,7 @@ done
 /usr/lib/qubes/fix-dir-perms.sh
 /usr/lib/qubes/startup-misc.sh
 /usr/lib/qubes/tests/dispvm_perf.py
+/usr/lib/qubes/tests/dispvm_perf_reader.py
 /usr/lib/qubes/tests/qrexec_perf.py
 /usr/lib/qubes/tests/storage_perf.py
 %{_unitdir}/lvm2-pvscan@.service.d/30_qubes.conf