debug_info_test: fix up naming

This replaces 'whitelist' with 'allowlist' in debug_info_test's file
names, as a follow up to the previous NFC CL's cleanups.

BUG=chromium:1099035
TEST=CQ+1

Change-Id: I0e99fa230a78251a6a555941db6f4758d0cf9367
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/toolchain-utils/+/2265050
Reviewed-by: Tiancong Wang <tcwang@google.com>
Tested-by: George Burgess <gbiv@chromium.org>
Commit-Queue: George Burgess <gbiv@chromium.org>
5 files changed