Manifest for Android 7.1.1 Release 54 (N4F27P)

Change-Id: Ie997fab2f8a525f93f517a254f1de014e367a948
diff --git a/default.xml b/default.xml
index ae7d54c..e726aa1 100644
--- a/default.xml
+++ b/default.xml
@@ -3,7 +3,7 @@
 
   <remote  name="aosp"
            fetch=".." />
-  <default revision="refs/tags/android-7.1.1_r51"
+  <default revision="refs/tags/android-7.1.1_r54"
            remote="aosp"
            sync-j="4" />