Manifest for Android 8.1.0 Release 9 (OPM5.171019.014)

Change-Id: I864520c56b82f504a23bec45cfc2d6109fffe13e
diff --git a/default.xml b/default.xml
index ae1c1bf..e56ac2c 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-8.1.0_r8"
+  <default revision="refs/tags/android-8.1.0_r9"
            remote="aosp"
            sync-j="4" />