Add an initial codereview.settings file.

BUG=

Change-Id: I50d8c3b68cd9849c73da02171a43c125900bad03
diff --git a/codereview.settings b/codereview.settings
new file mode 100644
index 0000000..16ed788
--- /dev/null
+++ b/codereview.settings
@@ -0,0 +1,5 @@
+# This file is used by git-cl to get repository specific information.
+GERRIT_HOST: True
+GERRIT_PORT: True
+CODE_REVIEW_SERVER: https://chromium-review.googlesource.com
+PROJECT: android_ndk