Merge "Merge from oc-preview-docs-release: docs: Added note that...

Merge "Merge from oc-preview-docs-release: docs: Added note that INSTALL_SHORTCUT is implicit broadcast as of O." into oc-dev am: a96e5338 am: 87b5b0aa am: 9d3563ad
am: 22d290b2

Change-Id: I994b9e0f7ea2b585c4f8f03231ed4d4c92e7e18e