buildifier formatting of bazel files

Change-Id: I8196aa52ee640d1c500307a50a0ab4921138b69b
diff --git a/tools/build/bazel/onos_app.bzl b/tools/build/bazel/onos_app.bzl
index fb2840a..2431374 100644
--- a/tools/build/bazel/onos_app.bzl
+++ b/tools/build/bazel/onos_app.bzl
@@ -106,7 +106,7 @@
     for feature in required_features:
         arguments += ["-f", feature]
     for app in required_apps:
-            arguments += ["-d", app]
+        arguments += ["-d", app]
 
     if security != "":
         arguments += ["-s", security]