docs: Updates to multi-window and related docs. am: 4d93a21980 am: 8263d6c0a3 am: c88130c572
am: d29c26073e

* commit 'd29c26073e97e4c6e7825641cf6e76720df395e3':
  docs: Updates to multi-window and related docs.

Change-Id: Ic4be60debb41d074d717bfb0989125299428831a