Change DCHECK_LE to CHECK_LE

Clangsa find bug that "The 1st argument to 'openat' is -1 but should be
a valid file descriptor or AT_FDCWD"
It can be valid in release builds, cause check only in debug mode

Change-Id: Ia2db78fbff7e9e46e636f48f447950ed6d9f9714
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6979325
Reviewed-by: Matthew Denton <mpdenton@chromium.org>
Commit-Queue: Alexander Yashkin <a-v-y@yandex-team.ru>
Reviewed-by: Will Harris <wfh@chromium.org>
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1523337}