authpolicy: Reland "Add debug flags for logging, turn off by default"

Initializes bool_value and fixes compile errors.

BUG=chromium:725856
TEST=None

Change-Id: I0bba93ab8d6cc2f51c6f00e200ee0bb1a9d0b712
Reviewed-on: https://chromium-review.googlesource.com/514086
Commit-Ready: Lutz Justen <ljusten@chromium.org>
Tested-by: Lutz Justen <ljusten@chromium.org>
Reviewed-by: Thiemo Nagel <tnagel@chromium.org>
28 files changed