Update kernel to builds 8949913 am: 27aa7ad542

Original change: https://googleplex-android-review.googlesource.com/c/kernel/prebuilts/5.15/arm64/+/19652079

Change-Id: I8a1b17a4cf1d7bcd2d1717f88d6b5d37b6c9df34
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>