am 05e13b9e: am c1ded373: Merge "Revert "Use pread() to get the decrypted data for container based DRM file."" into honeycomb-mr2

* commit '05e13b9edd3ef6edb286ddc2d92bebecf6666bf8':
  Revert "Use pread() to get the decrypted data for container based DRM file."