Merge "Merge "Generate reference nav to _book.yaml for devsite builds." into...
Merge "Merge "Generate reference nav to _book.yaml for devsite builds." into mnc-mr-docs am: dc55c972 am: 16c30a64 am: f1929d41 am: 5eee82cf am: dd4cf7ed" into nyc-mr1-dev-plus-aosp