am 54403d8a: am f5ad5b26: am 8709fb2a: Merge "update Getting Started class about fragments to remove support lib lesson and mention the action bar library, then update any links and add redirect bug: 10000221" into jb-mr2-docs

* commit '54403d8a271ad2e640833857d443f671547a1132':
  update Getting Started class about fragments to remove support lib lesson and mention the action bar library, then update any links and add redirect bug: 10000221