wifi: Handle world mode country code change am: fa78442ca9 am: 139fdb938f am: 930444d869

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/connectivity/wificond/+/17892632

Change-Id: Ic6c2b08f8b1171cdff9f0e9825e5c4d6af1ee0c8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>