Update kernel prebuilts to aosp_kernel-common-android-5.4-stable/6551980 am: 02ce512fd0 am: 48904cbcf6

Original change: https://googleplex-android-review.googlesource.com/c/platform/prebuilts/qemu-kernel/+/11702456

Change-Id: Iea807c45515986f3ed09c0aed96886647057a6d4