tree fe3adc920f36a93fd43bcffe1a66820f7828c1a9
parent 74fa79e6d6afb7ae9e301e5a156bfcd54679262c
author Rubin Xu <rubinxu@google.com> 1493308865 +0100
committer Rubin Xu <rubinxu@google.com> 1494935042 +0100

Invoke BLKSECDISCARD to securely delete sensitive data

Bug: 34600579
Test: manual - change device lock under synthetic password, verify
      old data on disk is erased.

Change-Id: I247bd1f095dd27335e671981f9e2d77e149af84f