Bump version string to trigger a release

Change-Id: Ia2a8448b66ec0d64b06c723ad9ae53c1ef831be0
diff --git a/VERSION b/VERSION
index a7ed92b..084129e 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.8.15
\ No newline at end of file
+1.8.16
\ No newline at end of file