[automerger skipped] Mark LLNDK prebuilts as LLNDK am: c21c1e4d -s ours

am skip reason: Merged-In I9e6c123e73fa0ab56d8494a01652ee32a9b6a6cd with SHA-1 e3f0281b is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/soong/+/23101374



Change-Id: I70231f99c661efced087aebd43959ac5f6fe82b5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>