am 89fef418: Merge "Avoid pre-processing images when they won\'t be used"

Merge commit '89fef4183a3c58aebbbf66e894bbdc1ae9f634e9' into gingerbread-plus-aosp

* commit '89fef4183a3c58aebbbf66e894bbdc1ae9f634e9':
  Avoid pre-processing images when they won't be used