Integrating mac-learner app into upstream master image

Change-Id: I3f480888277500557100ed323bbd0f2d29d8b148
diff --git a/VERSION b/VERSION
index 827a713..6149d55 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-5.1.0-dev3
+5.1.0-dev4