[log_listener] add log_listener package with cmx

Add log_listener package with cmx so it can be run as a component, add
config that is by default disabled to persist all logs to disk.

CF-247: #done

TEST: running with this configuration creates /data/logs.all_logs

Change-Id: I48443962477b91b6ce9efa6a1b0defe8839fac1c
5 files changed