Update kernel to builds 7874781 am: 2d40009e9b am: 5301682d5d am: bfac12ac5c am: a87f7acd57

Original change: https://android-review.googlesource.com/c/kernel/prebuilts/common-modules/virtual-device/mainline/x86-64/+/1884730

Change-Id: Ieff4fbcf121769d0b241f0a2c5b7132c2c31c563