am e929e661: Merge "Doc change: Remove proto scheme from src urls (fix mixed content warning)." into jb-mr1-dev

# Via Android (Google) Code Review (1) and Dirk Dougherty (1)
* commit 'e929e66197bf1421c3afbada964b1a33816ccaa8':
  Doc change: Remove proto scheme from src urls (fix mixed content warning).