GitLab

Changelog:
[ea4e050] SyzyAsan - Support the allocations with a size > 1GB.
[a1f6aa6] SyzyAsan - Remove support for the nested allocations.

BUG=656554

Review-Url: https://codereview.chromium.org/2537223002
Cr-Commit-Position: refs/heads/master@{#435076}