am 2ed5f771: am 47231936: am 02bc4b04: am 4a62a6dc: am 451ed5f0: am 3ecaa88d: am ecb013db: Merge "Use hidden API to validate APK chains" into jb-dev

* commit '2ed5f771c47c16e9c2be1f2025ef0a826f0290c3':
  Use hidden API to validate APK chains