am 4f9dfbb7: (-s ours) am 92ae8929: (-s ours) am 576cc365: (-s ours) Update sample prebuilts for lmp-mr1-ub-docs (DO NOT MERGE)

* commit '4f9dfbb74a48ddf640320fffe8d4128dc49b6fe4':
  Update sample prebuilts for lmp-mr1-ub-docs (DO NOT MERGE)