Merge "Mark cellular security transparency APIs optional" into main am: a95aa0fe46

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3077418

Change-Id: Ia4bc35b2dd6279a2d9b61b4e432d71c08456647d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>