am ec3aad2e: Merge commit \'d5c6745b\' into klp-dev-plus-aosp

* commit 'ec3aad2e':
  Tightening migration conditions. (Bug 11973614)
  Increasing string length for translation (Bug 12524122)
  Import translations. DO NOT MERGE
  Set App context from WallpaperChanged receiver. (Bug 12525684)
  Updating assets and text for migration cling. (Bug 11973614)
  Adding migration Clings. (Bug 11973614)
  New launcher2 icon migration algorithm.
  Quick patch for b/12446428.
  Allow DISABLE_ALL_APPS to be set using a system property.