privetd: Remove context="default" deny rule

The default D-Bus policy is to deny method calls, but allow signals and
replies.

Adding clauses to block messages sent to a daemon has the perverse side
effect of blocking signals and message replies unless explicitly noted
otherwise in the firewall config.

This breaks certain interfaces, for instance, the signals that make
object manager and property interfaces work.

BUG=brillo:571,brillo:572
TEST=manual, register device using privet and check is privet/info has
     "online" in gcd.status.

Change-Id: I82604ef2b755fda28d8e54984f67380072fb3aa3
Reviewed-on: https://chromium-review.googlesource.com/260301
Reviewed-by: Alex Vakulenko <avakulenko@chromium.org>
Reviewed-by: Christopher Wiley <wiley@chromium.org>
Commit-Queue: Vitaly Buka <vitalybuka@chromium.org>
Tested-by: Vitaly Buka <vitalybuka@chromium.org>
1 file changed