Manifest for Android CTS 5.1 release 3

Change-Id: Ibdcc1e160b922b579d958105665e6d31ef1c6506
diff --git a/default.xml b/default.xml
index 0ce944f..9c9ca7a 100644
--- a/default.xml
+++ b/default.xml
@@ -4,7 +4,7 @@
   <remote  name="aosp"
            fetch=".."
            review="https://android-review.googlesource.com/" />
-  <default revision="refs/tags/android-cts-5.1_r2"
+  <default revision="refs/tags/android-cts-5.1_r3"
            remote="aosp"
            sync-j="4" />