Merge "SupportLeanbackshowcase: clean up preference fragment code" into nyc-dev
am: 097514b34c

* commit '097514b34cd5e4c22df302cadef34d95159f869e':
  SupportLeanbackshowcase: clean up preference fragment code

Change-Id: I187cfcfea3fa5cad77cc50b22f7babea9e34f409