Udpated DEPS to grab patched linter.

BUG=
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Review URL: https://codereview.chromium.org/1920513002 .

Author: pq

DEPS

@@ -62,7 +62,7 @@ vars = {
   "intl_rev": "@a8b480b9c436f6c0ec16730804c914bdb4e30d53",
   "jinja2_rev": "@2222b31554f03e62600cd7e383376a7c187967a1",
   "json_rpc_2_tag": "@2.0.0",
-  "linter_rev": "@bcd4cf615665a80edf3f9a924388e59644a667cd",
+  "linter_rev": "@6d3bdf09b4326a411e44ff472953edd9003bc33a",
   "logging_rev": "@85d83e002670545e9039ad3985f0018ab640e597",
   "markdown_rev": "@4aaadf3d940bb172e1f6285af4d2b1710d309982",
   "matcher_tag": "@0.12.0",