tree bac676058cb07bab053c856b08e79a8527c64e3c
parent 9a64a4e3650710f66bab0504086052df600e373a
author Paul Crowley <paulcrowley@google.com> 1497630078 -0700
committer Paul Crowley <paulcrowley@google.com> 1497654843 -0700

Abolish AutoCloseFD.h in favour of unique_fd

Android has a standard way to do what AutoCloseFD.h does, so use that
instead. Refactor before work on the bug.

Bug: 36029169
Test: Deleted a user and checked that secdiscard logs looked good.
Change-Id: I5d8bedfb3fa1f032fd2bced88b1b561e4a8c2ff4