Use the alarm message as id for now

Unfortunately, the time will not be good enough as the alarm clearance
will not indicate when the alarm has been raised. The device does not
maintain the id internally.

Change-Id: I5801bb80c5fb984dec823e82ec21268fa36e8d37
diff --git a/drivers/polatis/netconf/src/main/java/org/onosproject/drivers/polatis/netconf/PolatisAlarmConsumer.java b/drivers/polatis/netconf/src/main/java/org/onosproject/drivers/polatis/netconf/PolatisAlarmConsumer.java
index 2b56be2..ea31538 100644
--- a/drivers/polatis/netconf/src/main/java/org/onosproject/drivers/polatis/netconf/PolatisAlarmConsumer.java
+++ b/drivers/polatis/netconf/src/main/java/org/onosproject/drivers/polatis/netconf/PolatisAlarmConsumer.java
@@ -108,7 +108,7 @@
         }
         long timeRaised = getTimeRaised(cfg);
         DefaultAlarm.Builder alarmBuilder = new DefaultAlarm.Builder(
-                AlarmId.alarmId(deviceId, Long.toString(timeRaised)),
+                AlarmId.alarmId(deviceId, alarmMessage),
                 deviceId, alarmMessage, alarmLevel, timeRaised);
         return alarmBuilder.build();
     }