Modified frequency changed event to framework am: 65a724befe am: 52ef92a26f

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/wpa_supplicant_8/+/18583204

Change-Id: I7ab3ea8466ccca7ee86e35b8d5f79ccaf285eb19
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>