Update update_emu_kernels.sh am: a4d64ff43a am: 946662e498 am: 9fecdffa2a

Original change: https://googleplex-android-review.googlesource.com/c/platform/prebuilts/qemu-kernel/+/26218317

Change-Id: I3ec222ca65ef1bda9bc7e76531272ed1db8e1cb2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>