Update kernel to builds 13081904

git log --first-parent -100 --oneline --no-decorate 4c8fb3275889..c1ccccc765f0:
c1ccccc765f0 ANDROID: gki - change networking configuration
26399219f072 ANDROID: kernelci build-break for 64-bit riscv clang builds (5.4 only)
2c4041228e4e Revert "BACKPORT: RISC-V: Stop relying on GCC's register allocator's hueristics"
c065d0615316 Revert "ANDROID: declare sp_in_global outside of CONFIG_FRAME_POINTER"

Test: treehugger
Bug: 397144798
Change-Id: Ib46c0c8d41f1e678d72a1634f9702d2b672f3f2c