am a6f1104b: Use pread() to get the decrypted data for container based DRM file. For bug 4392094.
am a6f1104b: Use pread() to get the decrypted data for container based DRM file. For bug 4392094.

* commit 'a6f1104b9d829c636b60b9387e379f9667b5df09':
  Use pread() to get the decrypted data for container based DRM file. For bug 4392094.

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base