am c5182c9a: Correspond to the security related API change for PreferenceActivity

* commit 'c5182c9a4ae66e75df8c959bf625d08ef99f81d2':
  Correspond to the security related API change for PreferenceActivity
tree: 60c033e03b91d1b2cf8901a63fb99532a16953bf
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk