[InformationElementUtil] Add FT/SAE AKM

Add FT/SAE AKM to InformationElementUtil class and parse it correctly so
that the phone would be able to associate with APs advertising it.
Added additional unit tests that were missing.

Bug: 132378498
Test: atest InformationElementUtilTest
Change-Id: I05d37357b02c21c0a96919b6e7f07761a3e80cee
2 files changed
tree: 6588e6a87d3a521bdb3840d80f9b5b10e29e1baa
  1. service/
  2. PREUPLOAD.cfg