Pull PrintMessage out into aos_cli_utils.h

This lets us share aos_dump and log_cat printing code so they both have
the same feature set.

Change-Id: I66802f9e071fd072ee64bf317b0ff704132a250c
Signed-off-by: Austin Schuh <austin.schuh@bluerivertech.com>
diff --git a/aos/BUILD b/aos/BUILD
index 69303a9..d78b303 100644
--- a/aos/BUILD
+++ b/aos/BUILD
@@ -542,6 +542,7 @@
         ":configuration",
         "//aos:init",
         "//aos/events:shm_event_loop",
+        "//aos/events:simulated_event_loop",
         "@com_github_google_glog//:glog",
     ],
 )