Support for Remora enrollment.

* Methods for enterprise enrollment of Remora devices.
* Methods to save TPM password and clear TPM.
* utility function to read credentials from a file.
* sample test that exercises enrollment.

BUG=chromium:342884
TEST=enterprise_RemoraRequisition

Change-Id: Ie872e9ba0702474d9f605c5520577cf4e0ad21d2
Reviewed-on: https://chromium-review.googlesource.com/199560
Tested-by: Achuith Bhandarkar <achuith@chromium.org>
Commit-Queue: Mattias Nissler <mnissler@chromium.org>
Reviewed-by: Achuith Bhandarkar <achuith@chromium.org>
Commit-Queue: Achuith Bhandarkar <achuith@chromium.org>
4 files changed