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

tools/auto_bisect/test_data/open.json

+{
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+  "xmlns$issues": "http://schemas.google.com/projecthosting/issues/2009",
+  "id": {
+   "$t": "http://code.google.com/feeds/issues/p/chromium/issues/full"
+  },
+  "updated": {
+   "$t": "2014-10-31T23:44:18.640Z"
+  },
+  "title": {
+   "$t": "Issues - chromium"
+  },
+  "subtitle": {
+   "$t": "Issues - chromium"
+  },
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+    "rel": "alternate",
+    "type": "text/html",
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+   },
+   {
+    "rel": "http://schemas.google.com/g/2005#feed",
+    "type": "application/atom+xml",
+    "href": "https://code.google.com/feeds/issues/p/chromium/issues/full"
+   },
+   {
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+    "type": "application/atom+xml",
+    "href": "https://code.google.com/feeds/issues/p/chromium/issues/full"
+   },
+   {
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+    "type": "application/atom+xml",
+    "href": "https://code.google.com/feeds/issues/p/chromium/issues/full?alt=json&max-results=1&id=424688"
+   }
+  ],
+  "generator": {
+   "$t": "ProjectHosting",
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+  },
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+  },
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+  },
+  "entry": [
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+    "id": {
+     "$t": "http://code.google.com/feeds/issues/p/chromium/issues/full/424688"
+    },
+    "published": {
+     "$t": "2014-10-17T18:50:15.000Z"
+    },
+    "updated": {
+     "$t": "2014-10-29T21:58:10.000Z"
+    },
+    "title": {
+     "$t": "Should Not Start Bisect on Closed Bugs."
+    },
+    "content": {
+     "$t": "I have noticed that in some cases bisect jobs are running for closed bugs:\r\nhttps://code.google.com/p/chromium/issues/detail?id=422661\r\nhttps://code.google.com/p/chromium/issues/detail?id=422228\r\nhttps://code.google.com/p/chromium/issues/detail?id=421488\r\n\r\nIt is possible that the bugs can be marked as closed when the corresponding bisect jobs are in the queue. So to avoid bisects on such bugs, can we please add logic to bisect script to first check for bug state before running the bisect. This will save us from doing some unnecessary bisects.\r\n\r\n",
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+    },
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+    },
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+     {
+      "$t": "Type-Feature"
+     },
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+      "$t": "Cr-Tests-AutoBisect"
+     },
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+}