Manifest for Nougat MR2 Release Branch.

Change-Id: Ia0451f65cca08627b4f66801bdd121c2d9fef088

default.xml

@@ -4,7 +4,7 @@
   <remote  name="aosp"
            fetch=".."
            review="https://android-review.googlesource.com/" />
-  <default revision="nougat-mr2-dev"
+  <default revision="nougat-mr2-release"
            remote="aosp"
            sync-j="4" />