tree b437ea21cbf4350410b0f69c4506c76a8c271370
parent cdcffc0d29da177399eb403df00e6693ce5e83bb
author Paul Lawrence <paullawrence@google.com> 1425577583 -0800
committer Paul Lawrence <paullawrence@google.com> 1427488721 -0700

Adding e4crypt support

Redirect all crypto calls to e4crypt equivalents if file level encryption
detected. Note this change implements only the ones needed for minimal
functionality.

Requires matching change:
  https://googleplex-android-review.git.corp.google.com/#/c/642778/

Change-Id: I622d1a91704de4b3ab655486e6d38cd6718e6016