[ASTERIXDB-2479][API] Add Network Diagnostics API

- user model changes: no
- storage format changes: no
- interface changes: no

Details:
- Add a new API that shows the state of node to node
  connections and their logical channels to help diagnose
  networking issues.
- Add channel details to the waiting thread name in
  NetworkOutputChannel.
- Add test case.

Change-Id: Id6fd5a96c56e7078d1404bebcbab8afe93ba8f64
Reviewed-on: https://asterix-gerrit.ics.uci.edu/3025
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Contrib: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Murtadha Hubail <mhubail@apache.org>
Reviewed-by: Michael Blow <mblow@apache.org>
diff --git a/hyracks-fullstack/hyracks/hyracks-net/pom.xml b/hyracks-fullstack/hyracks/hyracks-net/pom.xml
index 192a80a..525543f 100644
--- a/hyracks-fullstack/hyracks/hyracks-net/pom.xml
+++ b/hyracks-fullstack/hyracks/hyracks-net/pom.xml
@@ -60,5 +60,9 @@
       <artifactId>hyracks-util</artifactId>
       <version>${project.version}</version>
     </dependency>
+    <dependency>
+      <groupId>com.fasterxml.jackson.core</groupId>
+      <artifactId>jackson-databind</artifactId>
+    </dependency>
   </dependencies>
 </project>