Modified frequency changed event to framework am: 65a724befe am: c36b8e676f am: 61ceac9ec0 am: 7f5eb60698

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

Change-Id: I7347455959d0bf2c603980d25b42dd0db65003ee
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>