[automerger skipped] Update kernel to builds 7681694 am: 512ad74ad2 am: 97ae354fb2 am: 45395ac872 am: 5fdcc0dd36 -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: Ifc33a7128e8215c75d3c2d191c8aecc20bef81b2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>