Move android_systemd_sdk cipd package in cipd/ subdir.

Bug: b/360140090
Change-Id: I4c2b2aaa928425ba89d799157af43af4c1f1acdc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5790209
Auto-Submit: Joanna Wang <jojwang@chromium.org>
Commit-Queue: Joanna Wang <jojwang@chromium.org>
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Commit-Queue: Andrew Grieve <agrieve@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1342881}
NOKEYCHECK=True
GitOrigin-RevId: 681bd3a1f2b9f04995481bba94e240afb09b7808