AETHER-455 Add edge monitoring agent for Sercomm CBRS dongle

Also enhanced ADB based agent and moved it under agent_adb folder

Change-Id: I146c70d5d249f584a006ef90fbc17a4636dacac5
diff --git a/edge-monitoring/agent_modem/config.json b/edge-monitoring/agent_modem/config.json
new file mode 100644
index 0000000..c447bf4
--- /dev/null
+++ b/edge-monitoring/agent_modem/config.json
@@ -0,0 +1,12 @@
+{
+    "edge_name": "production-edge-test",
+    "modem": {
+        "port": "/dev/ttyACM0",
+        "baud": 115200,
+        "ip_addr": "192.168.0.1"
+    },
+    "ping_to": "1.1.1.1",
+    "report_url": "https://aether.onlab.us/edges",
+    "report_interval": 180,
+    "log_file": "/var/log/edge_monitoring_agent.log"
+}