Manifest for Android 7.1.1 Release 56 (N8I11F)

Change-Id: Ifa20511199724501e35009ee33908314dc8ebc8e
diff --git a/default.xml b/default.xml
index 469e961..ea356ae 100644
--- a/default.xml
+++ b/default.xml
@@ -3,7 +3,7 @@
 
   <remote  name="aosp"
            fetch=".." />
-  <default revision="refs/tags/android-7.1.1_r55"
+  <default revision="refs/tags/android-7.1.1_r56"
            remote="aosp"
            sync-j="4" />