Update kernel to builds 7518296 am: 3825e2ebe0 am: f48f5b5be0 am: 566d758b3f am: da4c15f458 am: dbec5ca0dc

Original change: https://googleplex-android-review.googlesource.com/c/kernel/prebuilts/5.4/arm64/+/15219033

Change-Id: Iecc6022323de683f8f2d08e7cc56c0b2e9f3af58
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>