Bump ONOS to 2.2 and build with Java 11

Change-Id: I215f7ca5cbded3acd9c440fe723f6f21d77f9ed5
diff --git a/app/src/main/java/org/opencord/olt/cli/ShowBpMeterMappingsCommand.java b/app/src/main/java/org/opencord/olt/cli/ShowBpMeterMappingsCommand.java
index 83b518f..3eec456 100644
--- a/app/src/main/java/org/opencord/olt/cli/ShowBpMeterMappingsCommand.java
+++ b/app/src/main/java/org/opencord/olt/cli/ShowBpMeterMappingsCommand.java
@@ -16,7 +16,8 @@
 
 package org.opencord.olt.cli;
 
-import org.apache.karaf.shell.commands.Command;
+import org.apache.karaf.shell.api.action.Command;
+import org.apache.karaf.shell.api.action.lifecycle.Service;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.net.meter.MeterKey;
 import org.opencord.olt.AccessDeviceService;
@@ -24,12 +25,13 @@
 import java.util.List;
 import java.util.Map;
 
+@Service
 @Command(scope = "onos", name = "volt-bpmeter-mappings",
         description = "Shows information about bandwidthProfile-meterKey (device / meter) mappings")
 public class ShowBpMeterMappingsCommand extends AbstractShellCommand {
 
     @Override
-    protected void execute() {
+    protected void doExecute() {
         AccessDeviceService service = AbstractShellCommand.get(AccessDeviceService.class);
         Map<String, List<MeterKey>> bpMeterMappings = service.getBpMeterMappings();
         bpMeterMappings.forEach(this::display);