Update kernel to builds 8949902 am: 81b370e599 am: 8395efc4c8

Original change: https://googleplex-android-review.googlesource.com/c/kernel/prebuilts/common-modules/virtual-device/5.10/arm64/+/19663201

Change-Id: I2e1d3afa3ff348592483e7620fdab828b0de2fbd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>