Manifest for Android 7.1.2 Release 2 (N2G47E)

Change-Id: I5cce09b19f83bb4fd75b915ea40d43f60e8aaf7e
diff --git a/default.xml b/default.xml
index 6c47b59..8f32d5c 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-7.1.2_r1"
+  <default revision="refs/tags/android-7.1.2_r2"
            remote="aosp"
            sync-j="4" />