Change auto_bisect to post results to perf dashboard.

scripts/slave/recipes/bisection/desktop_bisect.expected/basic_perf_tryjob_with_metric.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
       "--master",
       "tryserver.chromium.perf",
       "--builder",
       "linux_perf_bisect",
@@ skipping 427 matching lines @@
     "cmd": [],
     "cwd": "[SLAVE_BUILD]",
     "name": "Results",
     "~followup_annotations": [
       "@@@STEP_TEXT@",
       "===== PERF TRY JOB RESULTS =====",
       "Test Command: src/tools/perf/run_benchmark -v --browser=release sunspider",
       "Test Metric: dummy/dummy",
       "Relative Change: 0.00000%",
       "Standard Error: +- 0.18047 delta",
-      "Revision Mean          Std.Error      ",
-      "Patch    5.80533333333 0.127614436662 ",
-      "No Patch 5.80533333333 0.127614436662 ",
+      "Revision    Mean        Std.Error",
+      "Patch       5.805333333330.127614436662",
+      "No Patch    5.805333333330.127614436662",
       "@@@",
       "@@@STEP_LINK@HTML Results@http://storage.googleapis.com/chromium-telemetry/html-results/results-without_patch@@@"
     ]
   },
   {
+    "cmd": [
+      "python",
+      "-u",
+      "RECIPE_MODULE[build::perf_dashboard]/resources/post_json.py"
+    ],
+    "cwd": "[SLAVE_BUILD]",
+    "name": "Post bisect results",
+    "stdin": "{\"data\": {\"bisect_bot\": \"linux_perf_bisect\", \"buildbot_log_url\": \"http://c.org/p/cr/builders/linux_perf_bisect/builds/571\", \"change\": 0.0, \"cloud_link\": \"http://storage.googleapis.com/chromium-telemetry/html-results/results-without_patch\", \"command\": \"src/tools/perf/run_benchmark -v --browser=release sunspider\", \"metric\": \"dummy/dummy\", \"profiler_links\": [], \"result\": \"Revision    Mean        Std.Error\\nPatch       5.805333333330.127614436662\\nNo Patch    5.805333333330.127614436662\", \"status\": \"completed\", \"std_err\": 0.1804740670813644, \"try_job_id\": null}, \"url\": \"https://chromeperf.appspot.com/post_bisect_results\"}",
+    "stdout": "/path/to/tmp/json",
+    "~followup_annotations": [
+      "@@@STEP_LOG_LINE@json.output@{@@@",
+      "@@@STEP_LOG_LINE@json.output@  \"status_code\": 200@@@",
+      "@@@STEP_LOG_LINE@json.output@}@@@",
+      "@@@STEP_LOG_END@json.output@@@"
+    ]
+  },
+  {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]