More app BUCK file refactoring

Change-Id: I97506033c4c0cf145c558df7d4f86f37c7fe8332
diff --git a/apps/mlb/BUCK b/apps/mlb/BUCK
index e1a2d53..aeb9dce 100644
--- a/apps/mlb/BUCK
+++ b/apps/mlb/BUCK
@@ -1,29 +1,14 @@
-SRC = 'src/main/java/org/onosproject/**/'
-TEST = 'src/test/java/org/onosproject/**/'
-
-CURRENT_NAME = 'onos-app-mlb'
-CURRENT_TARGET = ':' + CURRENT_NAME
-
 COMPILE_DEPS = [
     '//lib:CORE_DEPS',
 ]
 
-TEST_DEPS = [
-    '//lib:TEST',
-]
-
-java_library(
-    name = CURRENT_NAME,
-    srcs = glob([SRC + '/*.java']),
+osgi_jar_with_tests (
     deps = COMPILE_DEPS,
-    visibility = ['PUBLIC'],
 )
 
-java_test(
-    name = 'tests',
-    srcs = glob([TEST + '/*.java']),
-    deps = COMPILE_DEPS +
-           TEST_DEPS +
-           [CURRENT_TARGET],
-    source_under_test = [CURRENT_TARGET],
+onos_app (
+    title = 'Mastership Load Balancer App',
+    category = 'Utility',
+    url = 'http://onosproject.org',
+    description = 'Application that balances mastership among nodes.',
 )