wifi: look for realm from the real identity am: 1e9d915548

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/wpa_supplicant_8/+/19570209

Change-Id: I444d213ddf940d1757a996f42ca82e26a25a8731
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>