am efd288a2: am 2a666620: am 1f196903: Merge "add note to use "480" instead of "xxhdpi" (this should be temporary)" into jb-mr2-docs

* commit 'efd288a2619addd490bc07766b2cd18e82ec2051':
  add note to use "480" instead of "xxhdpi" (this should be temporary)