Use a custom exception to signal failure to reproduce (Low confidence).

scripts/slave/recipes/bisection/android_bisect_staging.expected/failure_in_ref_range.json

Index: scripts/slave/recipes/bisection/android_bisect_staging.expected/failure_in_ref_range.json
diff --git a/scripts/slave/recipes/bisection/android_bisect_staging.expected/failure_in_ref_range.json b/scripts/slave/recipes/bisection/android_bisect_staging.expected/failure_in_ref_range.json
index 65e4b3542023c1064464055cc96a16a3184f4ca0..9fd9a86b08aaf55a917d1a5d820bbec1ce9cf9ad 100644
--- a/scripts/slave/recipes/bisection/android_bisect_staging.expected/failure_in_ref_range.json
+++ b/scripts/slave/recipes/bisection/android_bisect_staging.expected/failure_in_ref_range.json
@@ -2169,6 +2169,27 @@
     "stdout": "/path/to/tmp/"
   },
   {
+    "cmd": [],
+    "cwd": "[BUILDER_CACHE]/android_one_perf_bisect",
+    "name": "Resolving hashes"
+  },
+  {
+    "cmd": [],
+    "cwd": "[BUILDER_CACHE]/android_one_perf_bisect",
+    "name": "Debug Info",
+    "~followup_annotations": [
+      "@@@STEP_LOG_LINE@Debug Info@bisector.lkgr: RevisionState(rev=chromium@e28dc0d49c, mean_value=None, std_dev=None)@@@",
+      "@@@STEP_LOG_LINE@Debug Info@bisector.fkbr: RevisionState(rev=chromium@fc6dfc7ff5, mean_value=None, std_dev=None)@@@",
+      "@@@STEP_LOG_LINE@Debug Info@@@@",
+      "@@@STEP_LOG_LINE@Debug Info@Revision       Values         @@@",
+      "@@@STEP_LOG_LINE@Debug Info@chromium@e28dc0d49c[]             @@@",
+      "@@@STEP_LOG_LINE@Debug Info@chromium@fc6dfc7ff5[]             @@@",
+      "@@@STEP_LOG_LINE@Debug Info@LKGR values: []@@@",
+      "@@@STEP_LOG_LINE@Debug Info@FKBR values: []@@@",
+      "@@@STEP_LOG_END@Debug Info@@@"
+    ]
+  },
+  {
     "cmd": [
       "python",
       "-u",
@@ -2403,7 +2424,7 @@
   },
   {
     "name": "$result",
-    "reason": "Bisect cannot identify a culprit",
+    "reason": "Bisect cannot identify a culprit: Testing the \"bad\" revision failed",
     "recipe_result": null,
     "status_code": 1
   }