CQ: Disable win_x64_clang_dbg trybot

Needed to unblock rolling chromium_revision in WebRTC DEPS.

BUG=chromium:595702
TBR=phoglund@webrtc.org

Review URL: https://codereview.webrtc.org/1850113002 .

Cr-Commit-Position: refs/heads/master@{#12189}
diff --git a/infra/config/cq.cfg b/infra/config/cq.cfg
index 6e09498f..9596823 100644
--- a/infra/config/cq.cfg
+++ b/infra/config/cq.cfg
@@ -66,7 +66,8 @@
       builders { name: "win_compile_dbg" }
       builders { name: "win_drmemory_light" }
       builders { name: "win_rel" }
-      builders { name: "win_x64_clang_dbg" }
+      # Disabled until http://crbug.com/595702 is fixed.
+      #builders { name: "win_x64_clang_dbg" }
       builders { name: "win_x64_clang_rel" }
       builders { name: "win_x64_gn_dbg" }
       builders { name: "win_x64_gn_rel" }