Update Mac memory code references The Mac malloc interceptor relies on internals of macOS. Update those internals and links to the 10.15 versions. This relands 994f22b51a586390c36b5713812baeae1e96262a with a fix for profiling_client.cc which correctly only includes a Mac file header on the Mac. Bug: none Change-Id: I8132dc1ffeeb0c6b65edb80cc729bcb4836f2121 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2377983 Reviewed-by: Erik Chen <[email protected]> Reviewed-by: Mark Mentovai <[email protected]> Commit-Queue: Avi Drissman <[email protected]> Cr-Commit-Position: refs/heads/master@{#802429} GitOrigin-RevId: 0b16177e609a6843957391712f3599203dec893f