Update kernel to builds 8840540 am: d50c1d3183 am: dd75436e0d

Original change: https://googleplex-android-review.googlesource.com/c/kernel/prebuilts/common-modules/virtual-device/5.15/arm64/+/19321126

Change-Id: I539f8d367de07d525a7ecb7da12b06b3fc329885
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>