Update kernel to builds 7748709 am: 00b8a6537d am: f5ae846d66

Original change: https://googleplex-android-review.googlesource.com/c/kernel/prebuilts/5.10/x86-64/+/15879350

Change-Id: Iabb1cdca5eafc3b21add3443ea083513ec8f2ad4