Bump version to 0.2-9

Change-Id: I4d442b2daa08c6ee844d020394ed32a4b5d07e2c

version.bzl

diff --git a/version.bzl b/version.bzl
index f0d771c..50e9692 100644
--- a/version.bzl
+++ b/version.bzl
@@ -4,4 +4,4 @@
 # we currently have no stable releases, we use the "build number" scheme
 # described at:
 # https://www.mojohaus.org/versions-maven-plugin/version-rules.html
-GITILES_VERSION = "0.2-8"
+GITILES_VERSION = "0.2-9"