hostapd: Add SAE Support

Bug: 142752869
Test: Manual test, fake test code to enable SAE and SAE transition mode,
Client which support SAE will identify SAP enabled in SAE mode.
In transition mode, the non-support SAE client(likes P16 devices) can connect succeed.
But Client which support SAE (likes P18 devices) will fail to connect since current Pixel
driver not support the SAE connection. But SAP beacon show it secured by SAE which P18
will show correct security type (i.e. SAE) in wifi scan list.
Change-Id: Ia62e1aaed277a5ad01dd3b8ee01b8c7eb40f1eb7
2 files changed