Update kernel to builds 7874781

git log --first-parent -100 --oneline --no-decorate a7e3180850a3..d1a66e79429a:
d1a66e79429a Merge tag 'v5.15' into android-mainline
c68c223735eb ANDROID: syscall_check: add vendor hook for bpf syscall
996496b8eaf7 ANDROID: syscall_check: add vendor hook for open syscall
e13e55eae1fb ANDROID: syscall_check: add vendor hook for mmap syscall
f2d4bb3c0e9a ANDROID: selinux: add restricted vendor hook in selinux
5ebe1623067b ANDROID: module: Add vendor hook
1abc68878a6d ANDROID: kernel: Add restricted vendor hook in creds
6605f296d307 ANDROID: security: selinux: Add restricted vendor hook in avc
64eaf18f7f5c Revert "ANDROID: serdev: add platform device support"
84503f5dd67e Revert "ANDROID: serdev: Fix platform device support"
408f17581145 Revert "ANDROID: serdev: restrict claim of platform devices"
c852141b78d9 Revert "ANDROID: tty: fix tty name overflow"
017b25266174 Revert "ANDROID: gnss: Add command line test driver"
c32cef58b3d7 ANDROID: f2fs: fix potential deadlock by android ftrace
c8c03a9a950e ANDROID: GKI: Enable CRYPTO_LZO driver for GKI on arm64 and x86
c9e4f1b5ddbc Merge d25f27432f80 ("Merge tag 'arm-soc-fixes-5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc") into android-mainline

Test: treehugger
Bug: 204861408
Change-Id: I256b3ceb08312b264f77d2f68324f2b0e6597041