Update kernel to builds 7618735 am: cbdc9d164e am: 5a90e7f3b6 am: bba9c79e08

Original change: https://googleplex-android-review.googlesource.com/c/kernel/prebuilts/common-modules/virtual-device/5.10/arm64/+/15481543

Change-Id: I1f8be8cc0749a5f09d642e98dc88d6b4d3bc6cb7