Update doclava template to include ReferenceObject meta data for devsite
but only include the 'path' information for DAC docs because I'm not
sure how other projects want to use that field
https://developers.google.com/internal/publishing/reference/microdata/referenceobject
bug: 62869488

Change-Id: I1a20142098c2d9818b3d8c8f322581a65c9c11c5
3 files changed