wpa_supplicant(hidl): Use overlay conf file only if it exists
For devices that doesn't have a vendor overlay conf file, we should not
specify it in interface creation params to the core.
Note: Since we've moved the interface params inside the HIDL interface
(from .rc), we'll need to cater to the needs of the different devices
in our tree.
Bug: 36645291
Test: Locally tested wifi enable on GCE
Test: Treehugger tests should pass now.
Test: Toggled wifi on taimen & ensured that the overlay file is used.
Change-Id: Iccb358aa3e3ddeb985467ef78e066e489d3a1fe1
1 file changed