am bc36e229: am d1d606b4: am c774a312: Merge "fix sidebar autoscroll when the selected doc is not visible. bug: 9676913" into jb-mr2-docs

* commit 'bc36e22992e11e9a3856f1c78bb73ee44a748e92':
  fix sidebar autoscroll when the selected doc is not visible. bug: 9676913