goldfish: enable iw_vendor and use it

BUG: 119665526
Test:
lunch sdk_phone_x86-user
make -j
emulator
wifi should work

Change-Id: I1b1c529fb00b8b64c2466d7fde52dc990c639a0e
Merged-In: I1b1c529fb00b8b64c2466d7fde52dc990c639a0e
6 files changed