Add a variant of wpa_supplicant to support macsec

Add macsec key agreement (MKA) support for AAOS, modify Android.mk to
support building a variant of wpa_supplicant (wpa_suppicant_macsec) to
support macsec MKA.

Add an aidl interface to use macsec PSK protected by vendor HAL
process.

Bug: 254108688
Bug: 283869440
Test: manual
Change-Id: I96d9f1f1b5dad9b4d0000cc065f18f4e2dc9f7a5
4 files changed