Update CTS to 2.3_r9

Bug 5333650

Change-Id: I3d19cfb8118bd44c21381e005ebff5ef692ea556
diff --git a/tools/host/src/com/android/cts/Version.java b/tools/host/src/com/android/cts/Version.java
index 243add2..da5e390 100644
--- a/tools/host/src/com/android/cts/Version.java
+++ b/tools/host/src/com/android/cts/Version.java
@@ -18,7 +18,7 @@
 
 public class Version {
     // The CTS version string
-    private static final String version = "2.3_r8";
+    private static final String version = "2.3_r9";
 
     private Version() {
         // no instances allowed