[release-branch.go1.9] go1.9.4

Change-Id: I2ab24e37b21d4b3275ffaeab3cb27d4e8e276e1e
Reviewed-on: https://team-review.git.corp.google.com/213171
Reviewed-by: Andrew Bonventre <andybons@google.com>

VERSION

diff --git a/VERSION b/VERSION
index 440c07e..3461c2b 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-go1.9.3
\ No newline at end of file
+go1.9.4
\ No newline at end of file