[automerger skipped] Update kernel to builds 7681694 am: 512ad74ad2 am: 97ae354fb2 am: 45395ac872 am: 5fdcc0dd36 -s ours am: 3aa6122a7b -s ours am: 31ec94022a -s ours

am skip reason: skipped by user szuweilin

Original change: https://googleplex-android-review.googlesource.com/c/kernel/prebuilts/4.19/arm64/+/15723407

Change-Id: I4d120351e77189f1c10fd542ebd5c8fb0111d1a9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>