Update kernel to builds 12109370 am: 21a19614cd

Original change: https://android-review.googlesource.com/c/kernel/prebuilts/6.1/x86-64/+/3186523

Change-Id: Ie4327518e8023045f5de2e7906a8d7db080928d3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>