apple_apsl: Update libmalloc from 283 to 409.40.6

Updates //third_party/apple_apsl/malloc.h based on the latest
libmalloc 409.40.6.

Bug: 1372471
Change-Id: I7406df4ddcc752ac8fc34bdaefc0e167dd266ffb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4019397
Commit-Queue: Yuki Shiino <yukishiino@chromium.org>
Reviewed-by: Mark Mentovai <mark@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1069739}
NOKEYCHECK=True
GitOrigin-RevId: 377a4275e91b749893d8fb695017fc0b2ae5762c
2 files changed