Merge "docs: Updates to Multi-Window/PiP APIs for Preview 2" into mnc-mr-docs am: bd7c1b4
am: 194c1e6

* commit '194c1e6071b6745a0d1f3758a3db35ddb2535000':
  docs: Updates to Multi-Window/PiP APIs for Preview 2

Change-Id: Ib1f42f46449528796d465593853121db8aafd318