[automerger skipped] Changed BufferLayer's canReceiveInput to check if its hidden by policy am: 46698591a3
am: 0c13eb186d -s ours
am skip reason: change_id I4160b49161dd1780713980707a5c911034f414b5 with SHA1 82353e993c is in history

Change-Id: If4baad50e537ec1caa3434040004b9f2e21f33a3