fw_lab_triage_helper: refine labstation list impl

Avoids two nearly identical lists.

BUG=None, because it's implementing a TODO
TEST=built and ran against the faft_cr50 pool

Change-Id: Ib410e3609ec3640cdf11dfcee1ee5c22d932085d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crostestutils/+/1869565
Tested-by: Kevin Shelton <kmshelton@chromium.org>
Reviewed-by: Greg Edelston <gredelston@google.com>
Commit-Queue: Kevin Shelton <kmshelton@chromium.org>
1 file changed