[wpa_supplicant] Set the OWE only flag when KeyMgmt set to OWE am: 4ce94634ab

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/wpa_supplicant_8/+/13150996

Change-Id: I8d4c86bec03f998b65bd1346f6fd2c44e27322b8