ftests/013: Extend the stress to test pids.events.local (v2)

ftests/013: Extend the stress to test pids.events.local (v2)

Extend the test case to exercise the pids.events.local (v2) setting
added to pid controller consts list.

-----------------------------------------------------------------
Test Results:
        Run Date:                          Jul 09 09:56:48
        Passed:                                  1 test(s)
        Skipped:                                 0 test(s)
        Failed:                                  0 test(s)
-----------------------------------------------------------------
Timing Results:
        Test                              Time (sec)
        --------------------------------------------
        setup                                   0.00
        013-cgget-multiple_g_flags.py           0.12
        teardown                                0.00
        --------------------------------------------
        Total Run Time                          0.12

Signed-off-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>