Update kernel to builds 7518296 am: 1baf62ab03 am: 116a32ce84 am: 7d46db2155 am: 7a571e8bcc am: 85a3e5b7af

Original change: https://googleplex-android-review.googlesource.com/c/kernel/prebuilts/5.4/x86-64/+/15220030

Change-Id: Ie579f89d3cb4b743e9b279a9994b8f6d4755f18f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>