Bump version to trigger a release build

Change-Id: Id6cf9dc7224d2c300b332f52cfad5af41a50d012
diff --git a/VERSION b/VERSION
index 8e8ed1b..a7ed92b 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.8.14
+1.8.15
\ No newline at end of file