am 3e9aa56e: am 7da0abc5: am 62472581: Merge "cherrypick from master - add overview description for RS API reference Change-Id: Id5554c607ad4c435f92bfa939e4ce4833a638f62" into ics-mr1

* commit '3e9aa56e563ac5a876bb23c0377ccd4698709630':
  cherrypick from master - add overview description for RS API reference Change-Id: Id5554c607ad4c435f92bfa939e4ce4833a638f62