gerrit plugin ls: Show status for enabled plugins as 'ENABLED'

When listing the plugins with the 'plugin ls' SSH command the status
for enabled plugins is empty while for disabled plugins it shows
'DISABLED'.

Show the status for enabled plugins as 'ENABLED' so that users are not
confused by the missing status.

Change-Id: Iebae72a1c5287c895ab7160f050992b989cd1d97
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/plugins/ListPlugins.java b/gerrit-server/src/main/java/com/google/gerrit/server/plugins/ListPlugins.java
index b87af89..3f7bc97 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/plugins/ListPlugins.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/plugins/ListPlugins.java
@@ -94,7 +94,7 @@
       } else {
         stdout.format("%-30s %-10s %-8s\n", p.getName(),
             Strings.nullToEmpty(info.version),
-            p.isDisabled() ? "DISABLED" : "");
+            p.isDisabled() ? "DISABLED" : "ENABLED");
       }
     }