Update kernel to builds 7874781 am: b66c3ac1bb am: 00658648b9 am: 90809e3aac

Original change: https://android-review.googlesource.com/c/kernel/prebuilts/mainline/x86-64/+/1884510

Change-Id: Ib0032357a0575f3ee96222f5ac6243fa58637be8