Update kernel to builds 7518296 am: 5ade4f4e9b am: fbfd8828e9 am: 4ae838b311

Original change: https://googleplex-android-review.googlesource.com/c/kernel/prebuilts/common-modules/virtual-device/5.4/arm64/+/15218264

Change-Id: I1c9ae79b2dc351fc088e87b1fe64f433af70fa5b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>