[automerger skipped] Merge "[Mainline] Add @hide. Revisit and redesign in S"...

[automerger skipped] Merge "[Mainline] Add @hide. Revisit and redesign in S" am: 8b3f6843 am: dde098b2 -s ours am: dc726b4e -s ours am: bacfe252 -s ours am: daa929f1 -s ours

am skip reason: Change-Id I9f301b65a3a476a114821c77916dbdb988e5d983 with SHA-1 cd7d9664 is in history

Change-Id: I4478454326dd86c5e7714eb028f06aeab067356d