Merge "MediaBrowserService: Add more explanation on getBrowserRootHints()" into nyc-dev
am: 44fbbfd248

* commit '44fbbfd24857ad0defcaa0ef85c0d5b01cd2250a':
  MediaBrowserService: Add more explanation on getBrowserRootHints()

Change-Id: I0cc37df958a3419770cc943a077f35bd3c41a324