Micro benchmark for Try-Catch-Finally

test/js-perf-test/JSTests.json

 {
   "name": "JSTests",
   "run_count": 5,
   "run_count_android_arm": 3,
   "run_count_android_arm64": 3,
   "timeout": 120,
   "units": "score",
   "total": true,
   "resources": ["base.js"],
   "tests": [
@@ skipping 98 matching lines @@
     },
     {
       "name": "Scope",
       "path": ["Scope"],
       "main": "run.js",
       "resources": ["with.js"],
       "results_regexp": "^%s\\-Scope\\(Score\\): (.+)$",
       "tests": [
         {"name": "With"}
       ]
+    },
+    {
+      "name": "Exceptions",
+      "path": ["Exceptions"],
+      "main": "run.js",
+      "resources": ["try-catch.js"],
+      "results_regexp": "^%s\\-Exceptions\\(Score\\): (.+)$",
+      "tests": [
+        {"name": "Try-Catch"}
+      ]
     }
   ]
 }