Update kernel to builds 7489573 am: 2d127e6bb9 am: 771cbc4764 am: 163f375117 am: 94f82ab5ed

Original change: https://googleplex-android-review.googlesource.com/c/kernel/prebuilts/common-modules/virtual-device/5.4/arm64/+/15100511

Change-Id: Ic93ef281e66fb8aaf4dfee3b365e6cbd7c39cabe
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>