Added changes to handle Legacy FT test cases.

1. Current checks included only SAE_FT AKM for state machine
handling.Added additional checks for legacy FT AKM's.

2. As part of GTK rekey, the keys generated in the DHD
post FT roam should be updated to the supplicant.
Added support for private command to fetch these keys

Bug: 187705876
Test: Validated on Android S slider

Signed-off-by: Mir Ali <mir-khizer.ali@broadcom.com>
Change-Id: I84499c1692538593b50b15cd53a7a9fd770f4f0c
5 files changed