Modified frequency changed event to framework am: 65a724befe am: 01acae4848 am: 69917f9512

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

Change-Id: Iad5d4915a41771c99761ac471677f98f292ac6bd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>