Aborting bisect early when the bug specified in the bisect config is closed.

tools/auto_bisect/test_data/closed.json

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+  },
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+  },
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+   "$t": "Issues - chromium"
+  },
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+   "$t": "Issues - chromium"
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+   }
+  ],
+  "generator": {
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+    },
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+    },
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+}