platform_DebugDaemonPing: Add.

Create a ping process and check that we can terminate it properly, then check
that trying to terminate it again raises an exception.

BUG=chromium-os:20843
TEST=Yes

Change-Id: I308177a1396b76dff8fe809233cb50eb825ca49c
Signed-off-by: Elly Jones <ellyjones@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/13142
Reviewed-by: Chris Masone <cmasone@chromium.org>
2 files changed