Document new CQ keyword

BUG=skia:
NOTRY=true
DOCS_PREVIEW= https://skia.org/?cl=1237693005
TBR=jcgregorio

Review URL: https://codereview.chromium.org/1237693005

diff --git a/site/dev/contrib/cqkeywords.md b/site/dev/contrib/cqkeywords.md
index 80faf2543fc6b08ed3c2853af6787a7302d9a9f4..5c23a60dadd6e6a7877a784ddfea0ca4224cde27 100644 (file)
--- a/site/dev/contrib/cqkeywords.md
+++ b/site/dev/contrib/cqkeywords.md
@@ -14,6 +14,10 @@ To do a dry run through the CQ please use Rietveld's [dry run](https://groups.go
 The CQ will run through its list of verifiers (reviewer check, trybots, tree check, 
 presubmit check), and will close the issue instead of committing it.
 
+    NO_DEPENDENCY_CHECK=true
+
+The CQ rejects patchsets with open dependencies. You can skip this check with this keyword.
+
     CQ_INCLUDE_TRYBOTS
 
 Allows you to add arbitrary trybots to the CQ's list of default trybots.