[superproject] Roll llvm-project/libc e249c02..cdafda7 (2 commits)

cdafda7 [libc][sched] Implement `CPU_ZERO`, `CPU_ISSET`, `CPU_SET` macros (#131524)
774947e [libc] Replace `__builtin_popcountl` with `cpp::popcount` in `sched_getcpucount` (#131952)

GitOrigin-RevId: 119ec45899f40a651bf8327c66fd991ed723fc77
Roller-URL: https://cr-buildbucket.appspot.com/build/8719935235972206193
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I490890712947fadf13c4d26473eb0c479c4c93b6
Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1232107
diff --git a/third_party/llvm-libc/src b/third_party/llvm-libc/src
index e249c02..cdafda7 160000
--- a/third_party/llvm-libc/src
+++ b/third_party/llvm-libc/src
@@ -1 +1 @@
-Subproject commit e249c02a959796131f0dc2b62d861bb2b44421c0
+Subproject commit cdafda7213e1b3360a45cd9ea596a664e4353509