Update git submodules

* Update docs/submodules/moon from branch 'master'
  - Merge "Fix a bug in policy generation."
  - Fix a bug in policy generation.

    Change-Id: Id30decb5e8519c091f8eaa95c04c2865fcbd7091

diff --git a/docs/submodules/moon b/docs/submodules/moon
index 1f25af1..ed704f2 160000 (submodule)
--- a/docs/submodules/moon
+++ b/docs/submodules/moon
@@ -1 +1 @@
-Subproject commit 1f25af17be6d3672e01a4a72b024afb72d57b75b
+Subproject commit ed704f25eec7e77c893fa3598fece27471afa179