wifi: fix FT/EAP network detection in wifi tracker library

Bug: 194163589
Test: use add-fake-scan to check a FT/EAP network is shown as an EAP network in wifi picker.
    1. adb shell cmd wifi add-fake-scan ft-eap-test aa:bb:cc:dd:ee:ff \
        [WPA2-FT/EAP-CCMP][RSN-FT/EAP-CCMP][ESS] 2412 -55
    2. adb shell cmd wifi start-faking-scan
    3. check that the type of the network "ft-eap-test" is EAP.

Change-Id: Icf7732eb16e79d0f248ee8c631ff0500fc886d65
1 file changed