Merge "Generate reference nav to _book.yaml for devsite builds." into...
Merge "Generate reference nav to _book.yaml for devsite builds." into mnc-mr-docs am: dc55c972 am: 16c30a64
am: f1929d41
* commit 'f1929d41':
Generate reference nav to _book.yaml for devsite builds.
Change-Id: Ifda2c3062588bfb8205e59dfcc3d909a62334ddc