Delete orig DocumentsUI.

Bug: 29224737
Change-Id: I6d6327918adba699d2ed3652bc2dbea27f872284
diff --git a/packages/DocumentsUI/MOVED b/packages/DocumentsUI/MOVED
new file mode 100644
index 0000000..d1dc514
--- /dev/null
+++ b/packages/DocumentsUI/MOVED
@@ -0,0 +1 @@
+../../../../packages/apps/DocumentsUI