Initial CQ configuration

Change-Id: I6af1836b6a3dddab0291bb4166e94d57c9e5eaa0
diff --git a/codereview.settings b/codereview.settings
new file mode 100644
index 0000000..3894052
--- /dev/null
+++ b/codereview.settings
@@ -0,0 +1,3 @@
+# This file is used by git cl to get repository specific information.
+GERRIT_HOST: True
+CODE_REVIEW_SERVER: https://dawn-review.googlesource.com