Additional bazel build files for apps

Change-Id: If3f31139022b5657e4a7b8a33871e4eba0da286e
diff --git a/apps/mlb/BUILD b/apps/mlb/BUILD
new file mode 100644
index 0000000..c99af46
--- /dev/null
+++ b/apps/mlb/BUILD
@@ -0,0 +1,12 @@
+osgi_jar_with_tests(
+    deps = CORE_DEPS,
+)
+
+onos_app(
+    category = "Utility",
+    description = "Monitors distribution of mastership of network devices between the ONOS cluster " +
+                  "nodes and periodically re-assigns the mastership to achieve balanced distribution when " +
+                  "necessary and possible.",
+    title = "Mastership Load Balancer",
+    url = "http://onosproject.org",
+)