Update kernel to builds 7456788 am: ba17e1c7a6 am: 6ec1361429

Original change: https://googleplex-android-review.googlesource.com/c/kernel/prebuilts/common-modules/virtual-device/5.4/arm64/+/14992056

Change-Id: Ie9afb725313954285f1ff86281d7e923e57b355c