Manifest for Android 8.1.0 Release 10

Change-Id: I4d511a29650a3cf67a0a6da615efbcbe71413f0e
diff --git a/default.xml b/default.xml
index e56ac2c..2f75e32 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_r9"
+  <default revision="refs/tags/android-8.1.0_r10"
            remote="aosp"
            sync-j="4" />