Merge latest kernel prebuilts am: b43c5f20c0

Original change: https://googleplex-android-review.googlesource.com/c/kernel/prebuilts/5.15/arm64/+/18356583

Change-Id: Ib9c24c84dc99bab0cdc087823219b91f69a39a4d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>