Reland of [CQ] Update proto format to fix triggered builders.

Reason for revert:

Should be fixed after
https://chromereviews.googleplex.com/318207014/

TBR=sergiyb@chromium.org,tandrii@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:561530

Review URL: https://codereview.chromium.org/1494893003

Cr-Commit-Position: refs/heads/master@{#32559}

infra/config/cq.cfg

@@ -41,6 +41,10 @@ verifiers {
       builders { name: "v8_mac_rel" }
       builders { name: "v8_presubmit" }
       builders { name: "v8_win64_rel_ng" }
+      builders {
+        name: "v8_win64_rel_ng_triggered"
+        triggered_by: "v8_win64_rel_ng"
+      }
       builders { name: "v8_win_compile_dbg" }
       builders { name: "v8_win_nosnap_shared_compile_rel" }
       builders { name: "v8_win_rel" }