Disable sanitizers for the yasm build tool.

This is only used during building, there's not a good reason to have
the sanitizers enabled since it will significantly slow down the
actual build process and seems to try to allocation nearly a terabyte
of memory at some points.

BUG=861418
TEST=none

Change-Id: I8d2116fbcee6dff2f1ecc422fbca5ef506fad6dd
Reviewed-on: https://chromium-review.googlesource.com/c/1257671
Reviewed-by: Evgeniy Stepanov <eugenis@chromium.org>
Commit-Queue: Dale Curtis <dalecurtis@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#596035}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: f67c656ca329a21f8fd3c63a536c16770097b3a2
1 file changed