Merge "Update kernel to builds 7068937 (x86_64)" am: 6355aa6c49

Original change: https://android-review.googlesource.com/c/platform/prebuilts/qemu-kernel/+/1543225

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I5703eeda9f024a9bc6cc96e7bcf26491c7295764