Add a WATCHLIST to the update engine repo.

WATCHLISTS

Index: WATCHLISTS
diff --git a/WATCHLISTS b/WATCHLISTS
new file mode 100644
index 0000000000000000000000000000000000000000..bcce0de360cf025a96560454641490f9e8325614
--- /dev/null
+++ b/WATCHLISTS
@@ -0,0 +1,14 @@
+# See http://dev.chromium.org/developers/contributing-code/watchlists for
+# a description of this file's format.
+# Please keep these keys in alphabetical order.
+
+{
+  'WATCHLIST_DEFINITIONS': {
+    'all': {
+      'filepath': '.',
+    },
+  },
+  'WATCHLISTS': {
+    'all': ['adlr@chromium.org', 'petkov@chromium.org']
+  },
+}