Bump version to force a release build

Change-Id: I07566798c79167378fbd69c2f09cabd247e2a062
diff --git a/VERSION b/VERSION
index bbaa9e1..d175cc5 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.8.18
\ No newline at end of file
+1.8.19
\ No newline at end of file