Add a testing option to delay EAPOL-Key messages 1/4 and 3/4. By setting
delay_eapol_tx=1, the actual EAPOL Tx will occur on the last possible
attempt (wpa_pairwise_update_count) thus all previous attempts will fail
on timeout which is the wanted delay.
In addition, add an hwsim test that uses this testing option to verify
that non protected Robust Action frames are dropped prior to keys
installation in MFP.
Signed-off-by: Daniel Gabay <daniel.gabay@intel.com>
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>